/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_7-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:23:26,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:23:26,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:23:26,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:23:26,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:23:26,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:23:26,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:23:26,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:23:26,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:23:26,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:23:26,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:23:26,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:23:26,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:23:26,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:23:26,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:23:26,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:23:26,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:23:26,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:23:26,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:23:26,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:23:26,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:23:26,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:23:26,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:23:26,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:23:26,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:23:26,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:23:26,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:23:26,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:23:26,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:23:26,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:23:26,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:23:26,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:23:26,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:23:26,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:23:26,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:23:26,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:23:26,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:23:26,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:23:26,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:23:26,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:23:26,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:23:26,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:23:26,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:23:26,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:23:26,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:23:26,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:23:26,704 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:23:26,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:23:26,704 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:23:26,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:23:26,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:23:26,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:23:26,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:23:26,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:23:26,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:23:26,706 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:23:26,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:23:26,706 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:23:26,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:23:26,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:23:26,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:23:26,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:23:26,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:23:26,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:23:26,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:23:26,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:23:26,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:23:26,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:23:26,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:23:26,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:23:26,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:23:26,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:23:27,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:23:27,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:23:27,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:23:27,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:23:27,181 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:23:27,183 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_7-1.c [2020-09-21 12:23:27,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be98d3600/6ae1541c5b8d49be88b4d6d3bf338a2f/FLAG4609b6fe6 [2020-09-21 12:23:27,792 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:23:27,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_7-1.c [2020-09-21 12:23:27,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be98d3600/6ae1541c5b8d49be88b4d6d3bf338a2f/FLAG4609b6fe6 [2020-09-21 12:23:28,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be98d3600/6ae1541c5b8d49be88b4d6d3bf338a2f [2020-09-21 12:23:28,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:23:28,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:23:28,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:23:28,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:23:28,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:23:28,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119b027d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28, skipping insertion in model container [2020-09-21 12:23:28,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:23:28,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:23:28,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:23:28,406 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:23:28,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:23:28,443 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:23:28,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28 WrapperNode [2020-09-21 12:23:28,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:23:28,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:23:28,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:23:28,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:23:28,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... [2020-09-21 12:23:28,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:23:28,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:23:28,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:23:28,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:23:28,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:23:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:23:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:23:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-09-21 12:23:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:23:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:23:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:23:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-09-21 12:23:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:23:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:23:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:23:28,836 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:23:28,837 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:23:28,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:23:28 BoogieIcfgContainer [2020-09-21 12:23:28,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:23:28,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:23:28,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:23:28,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:23:28,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:23:28" (1/3) ... [2020-09-21 12:23:28,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a44fb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:23:28, skipping insertion in model container [2020-09-21 12:23:28,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:23:28" (2/3) ... [2020-09-21 12:23:28,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a44fb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:23:28, skipping insertion in model container [2020-09-21 12:23:28,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:23:28" (3/3) ... [2020-09-21 12:23:28,851 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_7-1.c [2020-09-21 12:23:28,863 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:23:28,874 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:23:28,914 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:23:28,977 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:23:28,977 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:23:28,977 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:23:28,978 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:23:28,978 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:23:28,978 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:23:28,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:23:28,979 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:23:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-21 12:23:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 12:23:29,008 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:29,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:29,009 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:29,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:29,015 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-09-21 12:23:29,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:29,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971974263] [2020-09-21 12:23:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:29,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:23:29,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:23:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:23:29,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:29,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:29,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:29,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:29,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:29,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:29,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:29,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:23:29,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:23:29,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971974263] [2020-09-21 12:23:29,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:23:29,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:23:29,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52859495] [2020-09-21 12:23:29,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:23:29,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:29,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:23:29,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:23:29,392 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-09-21 12:23:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:29,506 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-09-21 12:23:29,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:23:29,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 12:23:29,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:29,522 INFO L225 Difference]: With dead ends: 35 [2020-09-21 12:23:29,523 INFO L226 Difference]: Without dead ends: 21 [2020-09-21 12:23:29,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:23:29,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-21 12:23:29,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-09-21 12:23:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 12:23:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 12:23:29,577 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-09-21 12:23:29,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:29,577 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 12:23:29,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:23:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 12:23:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 12:23:29,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:29,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:29,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:23:29,581 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:29,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:29,581 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-09-21 12:23:29,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:29,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170662618] [2020-09-21 12:23:29,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:29,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 12:23:29,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:23:29,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:29,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:29,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:29,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:29,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:29,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:29,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:29,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:29,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:29,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 12:23:29,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:29,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:29,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:29,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:23:29,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170662618] [2020-09-21 12:23:29,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:23:29,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:23:29,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720277069] [2020-09-21 12:23:29,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:23:29,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:29,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:23:29,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:23:29,784 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-09-21 12:23:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:29,843 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-09-21 12:23:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:23:29,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 12:23:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:29,845 INFO L225 Difference]: With dead ends: 27 [2020-09-21 12:23:29,845 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 12:23:29,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:23:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 12:23:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-09-21 12:23:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 12:23:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 12:23:29,854 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-09-21 12:23:29,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:29,855 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 12:23:29,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:23:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 12:23:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:23:29,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:29,857 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:29,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:23:29,857 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:29,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:29,858 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-09-21 12:23:29,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:29,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015175166] [2020-09-21 12:23:29,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:29,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:30,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:30,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 12:23:30,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:30,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-09-21 12:23:30,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:23:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:30,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:30,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:30,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:30,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:30,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:30,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:30,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:30,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:30,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:30,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:30,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:23:30,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 12:23:30,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:23:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:30,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:30,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:30,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:30,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:30,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:30,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:23:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:30,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:30,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:30,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:30,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:30,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:23:30,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:23:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 12:23:30,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015175166] [2020-09-21 12:23:30,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:30,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:23:30,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359246238] [2020-09-21 12:23:30,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:23:30,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:30,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:23:30,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:23:30,671 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2020-09-21 12:23:30,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:30,756 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-09-21 12:23:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:23:30,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-09-21 12:23:30,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:30,758 INFO L225 Difference]: With dead ends: 38 [2020-09-21 12:23:30,758 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 12:23:30,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:23:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 12:23:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-09-21 12:23:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-21 12:23:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-09-21 12:23:30,767 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-09-21 12:23:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:30,768 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-09-21 12:23:30,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:23:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-09-21 12:23:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 12:23:30,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:30,770 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:30,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:23:30,771 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-09-21 12:23:30,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:30,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417367315] [2020-09-21 12:23:30,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:30,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:31,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 12:23:31,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:23:31,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-21 12:23:31,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:23:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:31,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:31,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:31,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:31,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:31,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:31,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:31,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:31,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:31,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:31,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:23:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-21 12:23:31,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:31,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:31,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:23:31,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:31,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:31,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:31,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:31,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:31,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:31,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:23:31,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:31,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:31,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:31,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:31,376 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:23:31,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417367315] [2020-09-21 12:23:31,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:31,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:23:31,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547722042] [2020-09-21 12:23:31,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:23:31,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:31,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:23:31,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:23:31,379 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-09-21 12:23:31,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:31,459 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-09-21 12:23:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:23:31,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 12:23:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:31,462 INFO L225 Difference]: With dead ends: 30 [2020-09-21 12:23:31,462 INFO L226 Difference]: Without dead ends: 26 [2020-09-21 12:23:31,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:23:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-09-21 12:23:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-09-21 12:23:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-21 12:23:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-09-21 12:23:31,471 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-09-21 12:23:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:31,472 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-09-21 12:23:31,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:23:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-09-21 12:23:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:23:31,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:31,474 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:31,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:23:31,475 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:31,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:31,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1780546516, now seen corresponding path program 1 times [2020-09-21 12:23:31,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:31,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586765601] [2020-09-21 12:23:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:31,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:31,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:31,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:23:31,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:23:31,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-09-21 12:23:31,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:23:31,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:31,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:32,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:32,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:32,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:32,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:32,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:32,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:32,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 12:23:32,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:23:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 12:23:32,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:32,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:32,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:23:32,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:23:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:23:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:32,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:32,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:32,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:32,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:23:32,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:32,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:32,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:32,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:32,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:23:32,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 12:23:32,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586765601] [2020-09-21 12:23:32,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:23:32,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:23:32,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778390441] [2020-09-21 12:23:32,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:23:32,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:32,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:23:32,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:23:32,172 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2020-09-21 12:23:32,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:32,265 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2020-09-21 12:23:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:23:32,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-09-21 12:23:32,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:32,267 INFO L225 Difference]: With dead ends: 52 [2020-09-21 12:23:32,267 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 12:23:32,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:23:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 12:23:32,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2020-09-21 12:23:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 12:23:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-09-21 12:23:32,279 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 28 [2020-09-21 12:23:32,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:32,280 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-09-21 12:23:32,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:23:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-09-21 12:23:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 12:23:32,281 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:32,282 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:32,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:23:32,282 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:32,283 INFO L82 PathProgramCache]: Analyzing trace with hash 499839773, now seen corresponding path program 2 times [2020-09-21 12:23:32,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:32,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076045203] [2020-09-21 12:23:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:32,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:32,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:33,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:23:33,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:23:33,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:23:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:33,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:33,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:33,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:33,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:33,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:33,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:34,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:34,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:23:34,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:23:34,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:23:34,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:23:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:34,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:34,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:34,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:23:34,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:34,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:34,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-21 12:23:34,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:34,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:34,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:34,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:23:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 12:23:34,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076045203] [2020-09-21 12:23:34,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:34,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:23:34,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326319870] [2020-09-21 12:23:34,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:23:34,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:34,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:23:34,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:23:34,664 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 8 states. [2020-09-21 12:23:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:34,795 INFO L93 Difference]: Finished difference Result 55 states and 80 transitions. [2020-09-21 12:23:34,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:23:34,796 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 12:23:34,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:34,798 INFO L225 Difference]: With dead ends: 55 [2020-09-21 12:23:34,798 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 12:23:34,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:23:34,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 12:23:34,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-09-21 12:23:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 12:23:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-09-21 12:23:34,806 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 41 [2020-09-21 12:23:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:34,807 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-09-21 12:23:34,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:23:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-09-21 12:23:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 12:23:34,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:34,808 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:34,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:23:34,809 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:34,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1111873851, now seen corresponding path program 3 times [2020-09-21 12:23:34,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:34,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657396094] [2020-09-21 12:23:34,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:34,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:35,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:35,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:23:35,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:35,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:23:35,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:35,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:23:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:35,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:35,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:35,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:35,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:35,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:35,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:35,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:35,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:35,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:36,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:36,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:23:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:36,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:36,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:23:36,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:36,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:36,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:36,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:36,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:36,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:36,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:36,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:36,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:36,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:36,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:36,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:36,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:36,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:36,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:36,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:36,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:36,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:36,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:36,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:23:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-21 12:23:36,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657396094] [2020-09-21 12:23:36,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:36,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:23:36,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928826979] [2020-09-21 12:23:36,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:23:36,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:36,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:23:36,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:23:36,965 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 7 states. [2020-09-21 12:23:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:37,091 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2020-09-21 12:23:37,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:23:37,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-21 12:23:37,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:37,093 INFO L225 Difference]: With dead ends: 51 [2020-09-21 12:23:37,093 INFO L226 Difference]: Without dead ends: 35 [2020-09-21 12:23:37,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:23:37,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-21 12:23:37,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2020-09-21 12:23:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 12:23:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2020-09-21 12:23:37,106 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 41 [2020-09-21 12:23:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:37,107 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-09-21 12:23:37,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:23:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-09-21 12:23:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:23:37,114 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:37,114 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:37,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:23:37,115 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:37,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:37,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1143247140, now seen corresponding path program 4 times [2020-09-21 12:23:37,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:37,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497444247] [2020-09-21 12:23:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:37,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:37,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:38,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:23:38,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:23:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:23:38,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:23:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:23:38,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:38,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:38,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:38,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:38,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:38,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:38,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 12:23:39,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:39,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:23:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:23:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:23:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:39,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:39,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:39,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-21 12:23:39,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:23:39,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:39,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:23:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:39,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:23:39,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:39,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:39,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:39,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-21 12:23:39,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:39,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:39,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:39,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:39,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:23:39,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:39,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:39,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-21 12:23:39,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497444247] [2020-09-21 12:23:39,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:39,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:23:39,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011264970] [2020-09-21 12:23:39,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:23:39,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:39,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:23:39,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:23:39,814 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 8 states. [2020-09-21 12:23:39,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:39,996 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2020-09-21 12:23:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:23:39,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-21 12:23:39,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:39,998 INFO L225 Difference]: With dead ends: 68 [2020-09-21 12:23:39,998 INFO L226 Difference]: Without dead ends: 44 [2020-09-21 12:23:39,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:23:39,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-21 12:23:40,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2020-09-21 12:23:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-09-21 12:23:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-09-21 12:23:40,006 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 54 [2020-09-21 12:23:40,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:40,006 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-09-21 12:23:40,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:23:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-09-21 12:23:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 12:23:40,008 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:40,008 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:40,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:23:40,009 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:40,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:40,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 5 times [2020-09-21 12:23:40,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:40,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882898300] [2020-09-21 12:23:40,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:40,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:41,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 12:23:41,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-09-21 12:23:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:23:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:23:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:23:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:41,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:41,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:41,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:41,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:41,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:41,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:41,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:41,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:42,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:42,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:23:42,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:23:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:23:42,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:23:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:23:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 12:23:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:42,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:42,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:42,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:43,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:43,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:43,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:23:43,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:43,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:23:43,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:43,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:43,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:43,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:43,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:23:43,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:43,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:43,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:43,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:43,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:43,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:43,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:43,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:43,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:43,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:43,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:43,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:43,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:43,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:43,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:43,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:43,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:23:43,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:43,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:43,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:43,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:43,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:44,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:44,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:23:44,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:23:44,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:23:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:23:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:44,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:44,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:44,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:44,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:44,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:23:44,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:44,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:44,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:44,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:44,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:44,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:44,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:44,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:44,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:44,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:44,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:44,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:44,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:44,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:44,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:44,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:44,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:44,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:23:44,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 110 proven. 60 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-09-21 12:23:44,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882898300] [2020-09-21 12:23:44,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:44,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:23:44,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516387619] [2020-09-21 12:23:44,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:23:44,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:44,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:23:44,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:23:44,430 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 10 states. [2020-09-21 12:23:44,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:44,628 INFO L93 Difference]: Finished difference Result 87 states and 131 transitions. [2020-09-21 12:23:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:23:44,629 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-09-21 12:23:44,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:44,631 INFO L225 Difference]: With dead ends: 87 [2020-09-21 12:23:44,632 INFO L226 Difference]: Without dead ends: 53 [2020-09-21 12:23:44,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:23:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-09-21 12:23:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2020-09-21 12:23:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-21 12:23:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2020-09-21 12:23:44,650 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 82 [2020-09-21 12:23:44,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:44,651 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2020-09-21 12:23:44,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:23:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-09-21 12:23:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-09-21 12:23:44,654 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:44,654 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 8, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:44,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:23:44,655 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:44,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1421052102, now seen corresponding path program 6 times [2020-09-21 12:23:44,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:44,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545714634] [2020-09-21 12:23:44,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:44,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:44,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:45,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-21 12:23:45,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:23:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:23:45,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:23:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:23:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:23:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:45,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:45,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:45,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:45,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:45,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:45,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:45,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:46,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-21 12:23:46,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:23:46,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:46,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:23:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:23:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:23:46,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:46,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:46,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:46,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:47,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 12:23:47,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:23:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:47,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:23:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:23:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:23:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:47,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:47,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:48,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:23:48,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:23:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:23:48,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 12:23:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:48,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:48,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:48,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:48,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:48,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:23:48,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:48,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:23:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:48,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:48,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:23:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:48,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:23:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:48,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:23:48,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:23:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:48,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:48,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:48,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:48,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:48,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:48,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:48,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:48,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:48,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:48,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:48,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:48,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:48,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:48,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:48,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 75 proven. 47 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-09-21 12:23:48,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545714634] [2020-09-21 12:23:48,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:48,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:23:48,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018011696] [2020-09-21 12:23:48,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:23:48,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:48,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:23:48,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:23:48,976 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand 8 states. [2020-09-21 12:23:49,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:49,094 INFO L93 Difference]: Finished difference Result 84 states and 116 transitions. [2020-09-21 12:23:49,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:23:49,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-09-21 12:23:49,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:49,097 INFO L225 Difference]: With dead ends: 84 [2020-09-21 12:23:49,098 INFO L226 Difference]: Without dead ends: 47 [2020-09-21 12:23:49,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:23:49,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-09-21 12:23:49,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-09-21 12:23:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-21 12:23:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2020-09-21 12:23:49,115 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 81 [2020-09-21 12:23:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:49,118 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2020-09-21 12:23:49,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:23:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2020-09-21 12:23:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 12:23:49,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:49,124 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:49,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:23:49,125 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:49,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1200034344, now seen corresponding path program 7 times [2020-09-21 12:23:49,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:49,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682753677] [2020-09-21 12:23:49,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:49,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:49,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:49,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:50,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 12:23:50,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:23:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:50,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:23:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:23:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:50,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:50,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:50,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:50,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:50,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:50,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:50,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:50,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:50,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:51,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:51,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:51,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:23:51,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:51,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:23:51,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:51,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:23:51,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:51,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 12:23:51,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:51,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:51,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:51,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:51,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:52,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:52,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:23:52,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:23:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:52,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:23:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:23:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:52,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:52,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:52,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:53,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:23:53,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:23:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:23:53,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:53,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:23:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:53,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:53,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:53,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:53,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:23:53,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:53,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:23:53,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:53,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:23:53,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:53,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:53,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:53,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:53,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:23:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:53,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:23:53,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:23:53,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:53,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:23:53,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:53,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:53,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:53,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:53,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:53,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:53,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:53,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:53,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:53,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:53,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:53,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:53,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 71 proven. 170 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-09-21 12:23:53,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682753677] [2020-09-21 12:23:53,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:53,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 12:23:53,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429377729] [2020-09-21 12:23:53,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:23:53,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:53,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:23:53,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:23:53,537 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 9 states. [2020-09-21 12:23:53,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:53,674 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2020-09-21 12:23:53,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:23:53,674 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-09-21 12:23:53,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:53,676 INFO L225 Difference]: With dead ends: 72 [2020-09-21 12:23:53,676 INFO L226 Difference]: Without dead ends: 68 [2020-09-21 12:23:53,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:23:53,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-21 12:23:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2020-09-21 12:23:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-09-21 12:23:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2020-09-21 12:23:53,704 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 109 [2020-09-21 12:23:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:53,705 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2020-09-21 12:23:53,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:23:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-09-21 12:23:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 12:23:53,707 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:53,707 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:53,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:23:53,707 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:53,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:53,708 INFO L82 PathProgramCache]: Analyzing trace with hash 259499213, now seen corresponding path program 8 times [2020-09-21 12:23:53,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:53,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292375024] [2020-09-21 12:23:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:53,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:54,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-21 12:23:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:54,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:54,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:54,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:54,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:54,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:54,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:54,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:54,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:54,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:55,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:55,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:55,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:55,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:55,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:23:55,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:23:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:23:55,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:23:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:55,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-21 12:23:55,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:55,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:55,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:55,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:56,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:56,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:56,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:56,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:56,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:23:56,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:23:56,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:23:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:23:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:56,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:56,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:57,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:57,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:23:57,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:23:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:23:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:23:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:23:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:57,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:57,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:58,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:23:58,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:23:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:23:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:58,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:58,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:23:58,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-21 12:23:58,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:23:58,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:23:58,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:23:58,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:23:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:23:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:58,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:23:58,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:23:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:23:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:58,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 12:23:58,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:23:58,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:58,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:58,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:23:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:23:58,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:23:58,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:23:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:58,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:58,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:58,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:58,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:58,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:58,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:58,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 160 proven. 404 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2020-09-21 12:23:58,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292375024] [2020-09-21 12:23:58,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:58,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 12:23:58,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44080505] [2020-09-21 12:23:58,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 12:23:58,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:58,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 12:23:58,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:23:58,603 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand 12 states. [2020-09-21 12:23:58,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:58,898 INFO L93 Difference]: Finished difference Result 152 states and 286 transitions. [2020-09-21 12:23:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:23:58,901 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 177 [2020-09-21 12:23:58,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:58,906 INFO L225 Difference]: With dead ends: 152 [2020-09-21 12:23:58,906 INFO L226 Difference]: Without dead ends: 97 [2020-09-21 12:23:58,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:23:58,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-09-21 12:23:58,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 85. [2020-09-21 12:23:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 12:23:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 137 transitions. [2020-09-21 12:23:58,942 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 137 transitions. Word has length 177 [2020-09-21 12:23:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:58,942 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 137 transitions. [2020-09-21 12:23:58,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 12:23:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 137 transitions. [2020-09-21 12:23:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-09-21 12:23:58,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:58,956 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 51, 31, 31, 31, 31, 31, 31, 31, 20, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:23:58,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 12:23:58,956 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:58,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1605381236, now seen corresponding path program 9 times [2020-09-21 12:23:58,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:58,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929146978] [2020-09-21 12:23:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:59,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:59,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:59,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:59,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 569 [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-21 12:24:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 12:24:00,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:24:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:00,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:00,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:24:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:00,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 557 [2020-09-21 12:24:01,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:24:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:24:01,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:24:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:24:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-09-21 12:24:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:01,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:01,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:01,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:02,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 12:24:02,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:24:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-09-21 12:24:02,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 12:24:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:24:02,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-21 12:24:02,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:02,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:02,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:02,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:03,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:24:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:24:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:24:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:24:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:24:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:03,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:03,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:03,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:24:04,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-09-21 12:24:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:24:04,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:24:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:24:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:04,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:24:04,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:24:04,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:04,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:24:04,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:04,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:04,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:04,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:04,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-21 12:24:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:24:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:04,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:24:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:24:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:04,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:24:04,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:24:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:24:04,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:04,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:24:04,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:24:04,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:24:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:04,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:24:04,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:04,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:24:04,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:04,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:24:04,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:04,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:04,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:04,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:24:04,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:24:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:04,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:04,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:04,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:04,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:04,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:04,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:04,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:04,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:04,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:24:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:04,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:05,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:05,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:24:05,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:24:05,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:24:05,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:24:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:24:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 12:24:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:05,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:06,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-21 12:24:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:24:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:24:07,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:24:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 12:24:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:07,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:24:08,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:24:08,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:24:08,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:24:08,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:24:08,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:24:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:08,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:08,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:08,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:24:08,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:24:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:08,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:08,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:24:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:24:08,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:08,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:08,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:08,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:24:08,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:24:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:24:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:08,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:08,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:08,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:08,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 12:24:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:08,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:08,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:24:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:24:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:24:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:24:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-21 12:24:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:08,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 12:24:09,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:24:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:24:09,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:24:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-09-21 12:24:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 12:24:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:24:09,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:24:09,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:24:09,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:24:09,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:09,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:24:09,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:09,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:09,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:09,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:24:09,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:24:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:09,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:09,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:24:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:09,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:24:09,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:09,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:09,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:09,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:09,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:24:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:09,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:09,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:24:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:09,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:24:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:10,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:24:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:24:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:24:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:24:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:24:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-21 12:24:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:10,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:10,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:11,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 12:24:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:11,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:11,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:24:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:24:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:24:12,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:24:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:24:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:24:12,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:12,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:24:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:12,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:24:12,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:12,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:12,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:12,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:24:12,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:24:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:12,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:24:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:12,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:24:12,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:12,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:24:12,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:12,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:12,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:12,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:24:12,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:24:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:24:12,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:24:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:24:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:24:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:24:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:24:12,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:24:12,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:12,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:12,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:12,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 12:24:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:12,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:12,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:12,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:24:12,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:24:12,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:24:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:24:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:24:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10947 backedges. 1753 proven. 1861 refuted. 0 times theorem prover too weak. 7333 trivial. 0 not checked. [2020-09-21 12:24:13,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929146978] [2020-09-21 12:24:13,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:24:13,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 12:24:13,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103890438] [2020-09-21 12:24:13,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 12:24:13,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:24:13,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 12:24:13,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:24:13,082 INFO L87 Difference]: Start difference. First operand 85 states and 137 transitions. Second operand 13 states. [2020-09-21 12:24:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:24:13,683 INFO L93 Difference]: Finished difference Result 204 states and 402 transitions. [2020-09-21 12:24:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 12:24:13,684 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 436 [2020-09-21 12:24:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:24:13,686 INFO L225 Difference]: With dead ends: 204 [2020-09-21 12:24:13,686 INFO L226 Difference]: Without dead ends: 107 [2020-09-21 12:24:13,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2020-09-21 12:24:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-21 12:24:13,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 88. [2020-09-21 12:24:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-21 12:24:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2020-09-21 12:24:13,700 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 436 [2020-09-21 12:24:13,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:24:13,701 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2020-09-21 12:24:13,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 12:24:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2020-09-21 12:24:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 12:24:13,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:24:13,705 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:24:13,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 12:24:13,706 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:24:13,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:24:13,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1425621089, now seen corresponding path program 10 times [2020-09-21 12:24:13,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:24:13,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708204922] [2020-09-21 12:24:13,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:24:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:13,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:15,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:15,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-09-21 12:24:15,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1233 [2020-09-21 12:24:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 84 [2020-09-21 12:24:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 12:24:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 321 [2020-09-21 12:24:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:15,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:24:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:15,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:15,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:15,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:24:15,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:24:15,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:15,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:24:15,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:15,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:24:15,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:15,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:24:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:15,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:16,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:16,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 12:24:16,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1264 [2020-09-21 12:24:16,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 83 [2020-09-21 12:24:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 358 [2020-09-21 12:24:16,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:16,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:17,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:17,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:24:17,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:24:17,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-09-21 12:24:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-09-21 12:24:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:17,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:18,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:24:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:24:18,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-21 12:24:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-21 12:24:18,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:18,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:19,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:24:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-09-21 12:24:19,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 12:24:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 12:24:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:24:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:24:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:24:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:24:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:24:19,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:24:19,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:24:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-21 12:24:19,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:24:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:24:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:24:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 12:24:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0