/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/EvenOdd01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:59:16,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:59:16,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:59:16,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:59:16,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:59:16,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:59:16,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:59:16,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:59:16,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:59:16,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:59:16,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:59:16,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:59:16,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:59:16,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:59:16,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:59:16,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:59:16,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:59:16,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:59:16,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:59:16,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:59:16,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:59:16,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:59:16,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:59:16,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:59:16,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:59:16,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:59:16,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:59:16,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:59:16,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:59:16,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:59:16,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:59:16,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:59:16,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:59:16,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:59:16,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:59:16,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:59:16,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:59:16,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:59:16,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:59:16,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:59:16,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:59:16,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:59:16,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:59:16,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:59:16,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:59:16,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:59:16,741 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:59:16,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:59:16,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:59:16,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:59:16,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:59:16,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:59:16,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:59:16,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:59:16,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:59:16,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:59:16,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:59:16,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:59:16,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:59:16,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:59:16,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:59:16,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:59:16,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:59:16,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:59:16,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:59:16,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:59:16,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:59:16,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:59:16,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:59:16,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:59:16,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:59:16,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:59:17,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:59:17,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:59:17,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:59:17,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:59:17,052 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:59:17,052 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/EvenOdd01-1.c [2020-10-15 01:59:17,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e44bfad0/c85ab617a6e2435c968a082a2c87713c/FLAG0c7f89009 [2020-10-15 01:59:17,513 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:59:17,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/EvenOdd01-1.c [2020-10-15 01:59:17,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e44bfad0/c85ab617a6e2435c968a082a2c87713c/FLAG0c7f89009 [2020-10-15 01:59:17,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e44bfad0/c85ab617a6e2435c968a082a2c87713c [2020-10-15 01:59:17,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:59:17,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:59:17,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:59:17,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:59:17,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:59:17,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:59:17" (1/1) ... [2020-10-15 01:59:17,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511a8c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:17, skipping insertion in model container [2020-10-15 01:59:17,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:59:17" (1/1) ... [2020-10-15 01:59:17,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:59:17,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:59:18,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:59:18,082 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:59:18,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:59:18,106 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:59:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18 WrapperNode [2020-10-15 01:59:18,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:59:18,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:59:18,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:59:18,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:59:18,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... [2020-10-15 01:59:18,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:59:18,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:59:18,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:59:18,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:59:18,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:59:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:59:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:59:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-10-15 01:59:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-10-15 01:59:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:59:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:59:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:59:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-10-15 01:59:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-10-15 01:59:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:59:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:59:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:59:18,447 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:59:18,447 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 01:59:18,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:18 BoogieIcfgContainer [2020-10-15 01:59:18,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:59:18,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:59:18,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:59:18,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:59:18,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:59:17" (1/3) ... [2020-10-15 01:59:18,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370ca51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:18, skipping insertion in model container [2020-10-15 01:59:18,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:59:18" (2/3) ... [2020-10-15 01:59:18,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370ca51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:59:18, skipping insertion in model container [2020-10-15 01:59:18,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:59:18" (3/3) ... [2020-10-15 01:59:18,459 INFO L109 eAbstractionObserver]: Analyzing ICFG EvenOdd01-1.c [2020-10-15 01:59:18,469 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:59:18,479 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:59:18,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:59:18,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:59:18,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:59:18,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:59:18,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:59:18,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:59:18,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:59:18,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:59:18,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:59:18,546 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-15 01:59:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 01:59:18,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:18,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:18,560 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash -2122072279, now seen corresponding path program 1 times [2020-10-15 01:59:18,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:18,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626683339] [2020-10-15 01:59:18,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:18,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:18,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 01:59:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-15 01:59:18,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:18,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:18,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:18,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:59:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:19,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:19,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:19,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 01:59:19,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:59:19,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626683339] [2020-10-15 01:59:19,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:59:19,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 01:59:19,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285644279] [2020-10-15 01:59:19,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 01:59:19,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:19,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 01:59:19,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-15 01:59:19,161 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-15 01:59:19,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:19,295 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-15 01:59:19,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 01:59:19,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-15 01:59:19,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:19,307 INFO L225 Difference]: With dead ends: 41 [2020-10-15 01:59:19,308 INFO L226 Difference]: Without dead ends: 27 [2020-10-15 01:59:19,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:59:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-15 01:59:19,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-15 01:59:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-15 01:59:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-10-15 01:59:19,349 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 14 [2020-10-15 01:59:19,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:19,350 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-15 01:59:19,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 01:59:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-10-15 01:59:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 01:59:19,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:19,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:19,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:59:19,353 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:19,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:19,354 INFO L82 PathProgramCache]: Analyzing trace with hash -612070348, now seen corresponding path program 1 times [2020-10-15 01:59:19,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:19,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243218431] [2020-10-15 01:59:19,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 01:59:19,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:19,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 01:59:19,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:59:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:19,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:19,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:19,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:19,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 01:59:19,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:59:19,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:19,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:19,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:59:19,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243218431] [2020-10-15 01:59:19,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:59:19,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 01:59:19,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412152136] [2020-10-15 01:59:19,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 01:59:19,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:19,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 01:59:19,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-15 01:59:19,667 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 6 states. [2020-10-15 01:59:19,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:19,744 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2020-10-15 01:59:19,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 01:59:19,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-15 01:59:19,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:19,746 INFO L225 Difference]: With dead ends: 33 [2020-10-15 01:59:19,746 INFO L226 Difference]: Without dead ends: 29 [2020-10-15 01:59:19,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:59:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-15 01:59:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-10-15 01:59:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-15 01:59:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-10-15 01:59:19,755 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 15 [2020-10-15 01:59:19,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:19,755 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-15 01:59:19,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 01:59:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-10-15 01:59:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 01:59:19,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:19,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:19,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:59:19,757 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:19,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:19,758 INFO L82 PathProgramCache]: Analyzing trace with hash -592576498, now seen corresponding path program 1 times [2020-10-15 01:59:19,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:19,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652919295] [2020-10-15 01:59:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:19,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:19,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 01:59:19,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-15 01:59:19,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:19,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:20,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:20,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:20,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:20,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 01:59:20,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 01:59:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:20,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:20,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:20,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:59:20,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:59:20,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652919295] [2020-10-15 01:59:20,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:59:20,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:59:20,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390768892] [2020-10-15 01:59:20,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:59:20,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:20,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:59:20,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:59:20,333 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 9 states. [2020-10-15 01:59:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:20,503 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-10-15 01:59:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:59:20,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-15 01:59:20,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:20,505 INFO L225 Difference]: With dead ends: 38 [2020-10-15 01:59:20,505 INFO L226 Difference]: Without dead ends: 34 [2020-10-15 01:59:20,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:59:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-15 01:59:20,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2020-10-15 01:59:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 01:59:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-10-15 01:59:20,514 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 21 [2020-10-15 01:59:20,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:20,514 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-10-15 01:59:20,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:59:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-10-15 01:59:20,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 01:59:20,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:20,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:20,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:59:20,516 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:20,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:20,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1306118367, now seen corresponding path program 1 times [2020-10-15 01:59:20,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:20,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612759333] [2020-10-15 01:59:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:59:20,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 01:59:20,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:20,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:20,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 01:59:20,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:20,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:59:20,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 01:59:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:20,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 01:59:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:20,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:59:20,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612759333] [2020-10-15 01:59:20,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:59:20,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:59:20,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914119443] [2020-10-15 01:59:20,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:59:20,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:20,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:59:20,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:59:20,811 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 9 states. [2020-10-15 01:59:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:20,954 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2020-10-15 01:59:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:59:20,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-15 01:59:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:20,955 INFO L225 Difference]: With dead ends: 39 [2020-10-15 01:59:20,956 INFO L226 Difference]: Without dead ends: 35 [2020-10-15 01:59:20,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:59:20,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-15 01:59:20,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2020-10-15 01:59:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 01:59:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-10-15 01:59:20,963 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 22 [2020-10-15 01:59:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:20,963 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-10-15 01:59:20,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:59:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-10-15 01:59:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 01:59:20,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:20,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:20,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:59:20,965 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1571291849, now seen corresponding path program 1 times [2020-10-15 01:59:20,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:20,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714993193] [2020-10-15 01:59:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:20,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:59:21,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-15 01:59:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:21,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:21,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 01:59:21,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:21,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 01:59:21,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:21,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:59:21,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:21,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:21,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 01:59:21,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714993193] [2020-10-15 01:59:21,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:21,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:59:21,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23333273] [2020-10-15 01:59:21,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:59:21,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:21,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:59:21,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:59:21,464 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 11 states. [2020-10-15 01:59:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:21,669 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2020-10-15 01:59:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 01:59:21,669 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2020-10-15 01:59:21,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:21,671 INFO L225 Difference]: With dead ends: 47 [2020-10-15 01:59:21,671 INFO L226 Difference]: Without dead ends: 43 [2020-10-15 01:59:21,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:59:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-15 01:59:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2020-10-15 01:59:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-15 01:59:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-15 01:59:21,678 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 28 [2020-10-15 01:59:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:21,678 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-15 01:59:21,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:59:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-15 01:59:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-15 01:59:21,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:21,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:21,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:59:21,680 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:21,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:21,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1610221656, now seen corresponding path program 1 times [2020-10-15 01:59:21,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:21,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490138757] [2020-10-15 01:59:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 01:59:21,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-15 01:59:21,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:21,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 01:59:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:21,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:21,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:21,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:21,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:21,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:21,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:21,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:21,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:21,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 01:59:21,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:21,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:21,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:59:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:21,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:21,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:22,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 01:59:22,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:22,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:22,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:22,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:22,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:22,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:59:22,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:22,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 01:59:22,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490138757] [2020-10-15 01:59:22,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:22,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 01:59:22,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213494024] [2020-10-15 01:59:22,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:59:22,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:22,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:59:22,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:59:22,182 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 11 states. [2020-10-15 01:59:22,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:22,380 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-15 01:59:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 01:59:22,381 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2020-10-15 01:59:22,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:22,382 INFO L225 Difference]: With dead ends: 45 [2020-10-15 01:59:22,382 INFO L226 Difference]: Without dead ends: 41 [2020-10-15 01:59:22,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:59:22,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-15 01:59:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33. [2020-10-15 01:59:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-15 01:59:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-15 01:59:22,389 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 29 [2020-10-15 01:59:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:22,389 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-15 01:59:22,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:59:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-15 01:59:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-15 01:59:22,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:22,391 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:22,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:59:22,391 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:22,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:22,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1278768946, now seen corresponding path program 1 times [2020-10-15 01:59:22,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:22,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702375755] [2020-10-15 01:59:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 01:59:22,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-15 01:59:22,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:22,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:22,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-15 01:59:22,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:59:22,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:22,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:22,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 01:59:22,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:22,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:22,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:22,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 01:59:22,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:22,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:59:23,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:23,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 01:59:23,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702375755] [2020-10-15 01:59:23,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:23,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:59:23,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057993413] [2020-10-15 01:59:23,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:59:23,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:23,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:59:23,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:59:23,088 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 13 states. [2020-10-15 01:59:23,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:23,414 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2020-10-15 01:59:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:59:23,414 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2020-10-15 01:59:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:23,416 INFO L225 Difference]: With dead ends: 56 [2020-10-15 01:59:23,416 INFO L226 Difference]: Without dead ends: 52 [2020-10-15 01:59:23,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:59:23,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-15 01:59:23,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 36. [2020-10-15 01:59:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-15 01:59:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-10-15 01:59:23,423 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 35 [2020-10-15 01:59:23,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:23,423 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-10-15 01:59:23,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:59:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-10-15 01:59:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-15 01:59:23,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:23,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:23,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:59:23,425 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:23,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:23,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1417612799, now seen corresponding path program 1 times [2020-10-15 01:59:23,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:23,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005531513] [2020-10-15 01:59:23,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:59:23,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-15 01:59:23,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 01:59:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:23,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:23,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 01:59:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:23,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:23,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:59:23,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:23,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:23,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:23,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:23,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:23,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:59:23,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:23,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-15 01:59:24,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005531513] [2020-10-15 01:59:24,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:24,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:59:24,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231164094] [2020-10-15 01:59:24,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:59:24,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:24,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:59:24,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:59:24,014 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 13 states. [2020-10-15 01:59:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:24,377 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2020-10-15 01:59:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 01:59:24,378 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2020-10-15 01:59:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:24,380 INFO L225 Difference]: With dead ends: 51 [2020-10-15 01:59:24,380 INFO L226 Difference]: Without dead ends: 47 [2020-10-15 01:59:24,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:59:24,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-15 01:59:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2020-10-15 01:59:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-15 01:59:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-10-15 01:59:24,386 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 36 [2020-10-15 01:59:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:24,387 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-10-15 01:59:24,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:59:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-10-15 01:59:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-15 01:59:24,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:24,389 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:24,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:59:24,389 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:24,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:24,390 INFO L82 PathProgramCache]: Analyzing trace with hash 915642857, now seen corresponding path program 2 times [2020-10-15 01:59:24,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:24,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [993288717] [2020-10-15 01:59:24,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:24,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:24,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:24,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 01:59:24,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:24,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 01:59:24,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:24,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:24,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:24,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:24,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:24,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:24,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:24,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:24,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:24,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:24,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:24,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:24,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:24,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-15 01:59:24,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:24,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:24,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:24,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:24,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:25,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:25,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-15 01:59:25,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:25,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:25,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:25,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:25,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:25,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:25,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 01:59:25,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:25,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:25,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:25,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:25,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:25,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:25,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:25,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 01:59:25,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:25,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:25,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:25,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:25,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:25,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:25,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:25,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:25,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:25,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:59:25,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:25,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 01:59:25,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [993288717] [2020-10-15 01:59:25,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:25,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:59:25,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649963944] [2020-10-15 01:59:25,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:59:25,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:25,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:59:25,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:59:25,379 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 15 states. [2020-10-15 01:59:25,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:25,717 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2020-10-15 01:59:25,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:59:25,718 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2020-10-15 01:59:25,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:25,719 INFO L225 Difference]: With dead ends: 65 [2020-10-15 01:59:25,719 INFO L226 Difference]: Without dead ends: 61 [2020-10-15 01:59:25,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:59:25,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-15 01:59:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 39. [2020-10-15 01:59:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-15 01:59:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-15 01:59:25,726 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 42 [2020-10-15 01:59:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:25,727 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-15 01:59:25,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:59:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-15 01:59:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-15 01:59:25,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:25,728 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:25,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 01:59:25,728 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:25,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1668529660, now seen corresponding path program 2 times [2020-10-15 01:59:25,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:25,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474786083] [2020-10-15 01:59:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:25,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:25,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 01:59:25,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:25,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-15 01:59:25,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:25,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:25,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:25,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:25,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-15 01:59:25,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:26,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:26,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:26,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:26,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:26,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:26,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:26,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:26,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:26,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:26,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:26,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:26,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 01:59:26,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:26,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-15 01:59:26,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:26,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:26,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 01:59:26,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:26,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:26,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:26,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:26,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:26,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-15 01:59:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:26,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:26,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:26,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:26,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:26,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:26,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:26,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:26,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 01:59:26,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:26,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:26,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:26,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:26,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:26,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:26,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:26,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:26,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:26,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:26,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:59:26,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:26,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:26,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:26,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:26,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:26,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:26,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:26,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:26,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:26,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:26,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:26,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:26,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:26,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:26,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 01:59:26,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474786083] [2020-10-15 01:59:26,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:26,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 01:59:26,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876572699] [2020-10-15 01:59:26,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 01:59:26,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:26,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 01:59:26,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:59:26,710 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 16 states. [2020-10-15 01:59:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:27,086 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2020-10-15 01:59:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:59:27,087 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2020-10-15 01:59:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:27,088 INFO L225 Difference]: With dead ends: 57 [2020-10-15 01:59:27,088 INFO L226 Difference]: Without dead ends: 53 [2020-10-15 01:59:27,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2020-10-15 01:59:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-15 01:59:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2020-10-15 01:59:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-15 01:59:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-15 01:59:27,094 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 43 [2020-10-15 01:59:27,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:27,094 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-15 01:59:27,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 01:59:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-15 01:59:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-15 01:59:27,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:27,096 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:27,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 01:59:27,096 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:27,096 INFO L82 PathProgramCache]: Analyzing trace with hash -742291498, now seen corresponding path program 2 times [2020-10-15 01:59:27,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:27,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492612771] [2020-10-15 01:59:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:27,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:27,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 01:59:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:27,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-15 01:59:27,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:27,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:27,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:27,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:27,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:27,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:27,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:27,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:27,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:27,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:27,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:27,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:27,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:59:27,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-15 01:59:27,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:27,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 01:59:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 01:59:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:27,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:27,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:27,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-15 01:59:27,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:27,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:27,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:27,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:27,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:28,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:28,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:28,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:28,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-15 01:59:28,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:28,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:28,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:28,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:28,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-15 01:59:28,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:28,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:28,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:28,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:28,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:28,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:28,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 01:59:28,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:28,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:28,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:28,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:28,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:28,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:59:28,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:28,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:28,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:28,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-15 01:59:28,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492612771] [2020-10-15 01:59:28,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:28,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 01:59:28,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946136313] [2020-10-15 01:59:28,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 01:59:28,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:28,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 01:59:28,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2020-10-15 01:59:28,384 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 18 states. [2020-10-15 01:59:28,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:28,839 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2020-10-15 01:59:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:59:28,840 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 49 [2020-10-15 01:59:28,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:28,841 INFO L225 Difference]: With dead ends: 74 [2020-10-15 01:59:28,841 INFO L226 Difference]: Without dead ends: 70 [2020-10-15 01:59:28,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2020-10-15 01:59:28,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-15 01:59:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 42. [2020-10-15 01:59:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-15 01:59:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-15 01:59:28,848 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 49 [2020-10-15 01:59:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:28,848 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-15 01:59:28,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 01:59:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-15 01:59:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-15 01:59:28,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:28,849 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:28,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 01:59:28,849 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:28,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:28,850 INFO L82 PathProgramCache]: Analyzing trace with hash -150927713, now seen corresponding path program 2 times [2020-10-15 01:59:28,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:28,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714020493] [2020-10-15 01:59:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-15 01:59:29,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 01:59:29,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:29,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 01:59:29,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:29,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:29,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 01:59:29,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-15 01:59:29,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 01:59:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:29,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 01:59:29,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-15 01:59:29,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:29,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 01:59:29,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:29,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 01:59:29,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:29,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:29,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:59:29,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:29,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:29,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:29,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:29,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:29,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:59:29,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:29,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:29,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-15 01:59:30,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714020493] [2020-10-15 01:59:30,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:30,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-15 01:59:30,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134336987] [2020-10-15 01:59:30,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 01:59:30,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:30,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 01:59:30,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-15 01:59:30,045 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 17 states. [2020-10-15 01:59:30,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:30,506 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2020-10-15 01:59:30,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:59:30,506 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2020-10-15 01:59:30,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:30,508 INFO L225 Difference]: With dead ends: 63 [2020-10-15 01:59:30,508 INFO L226 Difference]: Without dead ends: 59 [2020-10-15 01:59:30,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2020-10-15 01:59:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-15 01:59:30,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 42. [2020-10-15 01:59:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-15 01:59:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-15 01:59:30,515 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 50 [2020-10-15 01:59:30,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:30,515 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-15 01:59:30,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 01:59:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-15 01:59:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-15 01:59:30,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:30,516 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:30,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 01:59:30,516 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:30,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:30,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1681931127, now seen corresponding path program 3 times [2020-10-15 01:59:30,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:30,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741769765] [2020-10-15 01:59:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:30,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:30,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:30,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:59:30,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:30,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-15 01:59:30,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:30,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:30,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:30,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:30,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 01:59:30,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:30,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:30,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:30,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:30,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:59:31,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:31,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-15 01:59:31,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 01:59:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:59:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:59:31,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-15 01:59:31,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 01:59:31,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:31,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:31,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:31,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:31,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-15 01:59:31,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:31,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:31,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:31,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:31,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 01:59:31,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:31,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:31,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:31,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 01:59:31,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:31,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:31,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:31,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 01:59:31,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:31,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:31,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:31,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:31,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:31,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:31,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:31,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:31,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:31,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:31,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-15 01:59:32,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741769765] [2020-10-15 01:59:32,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:32,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-15 01:59:32,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568818168] [2020-10-15 01:59:32,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 01:59:32,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:32,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 01:59:32,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:59:32,014 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 20 states. [2020-10-15 01:59:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:32,754 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2020-10-15 01:59:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 01:59:32,754 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 56 [2020-10-15 01:59:32,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:32,756 INFO L225 Difference]: With dead ends: 83 [2020-10-15 01:59:32,756 INFO L226 Difference]: Without dead ends: 79 [2020-10-15 01:59:32,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=98, Invalid=958, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 01:59:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-15 01:59:32,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 45. [2020-10-15 01:59:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-15 01:59:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-15 01:59:32,775 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 56 [2020-10-15 01:59:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:32,776 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-15 01:59:32,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 01:59:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-15 01:59:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-15 01:59:32,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:32,780 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:32,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 01:59:32,780 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:32,780 INFO L82 PathProgramCache]: Analyzing trace with hash -308892384, now seen corresponding path program 3 times [2020-10-15 01:59:32,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:32,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470337007] [2020-10-15 01:59:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:32,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:33,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:33,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 01:59:33,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-15 01:59:33,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:33,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 01:59:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:33,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:33,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:33,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:33,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:33,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:33,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:33,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:33,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:33,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:33,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 01:59:33,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-15 01:59:33,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:33,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 01:59:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 01:59:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:33,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:33,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:33,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 01:59:33,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-15 01:59:33,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:33,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:33,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:33,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:33,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:34,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 01:59:34,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:34,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-15 01:59:34,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:34,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:34,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:34,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:34,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-15 01:59:34,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:34,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:34,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:34,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:34,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 01:59:34,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:34,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:34,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:34,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:34,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 01:59:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:34,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:34,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:34,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:34,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:34,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:34,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:34,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:59:34,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:34,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-15 01:59:34,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470337007] [2020-10-15 01:59:34,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:34,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-15 01:59:34,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878964984] [2020-10-15 01:59:34,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-15 01:59:34,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:34,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-15 01:59:34,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-15 01:59:34,636 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 19 states. [2020-10-15 01:59:35,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:35,333 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2020-10-15 01:59:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 01:59:35,334 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 57 [2020-10-15 01:59:35,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:35,335 INFO L225 Difference]: With dead ends: 69 [2020-10-15 01:59:35,335 INFO L226 Difference]: Without dead ends: 65 [2020-10-15 01:59:35,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2020-10-15 01:59:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-15 01:59:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 45. [2020-10-15 01:59:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-15 01:59:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-15 01:59:35,344 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 57 [2020-10-15 01:59:35,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:35,345 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-15 01:59:35,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-15 01:59:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-15 01:59:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-15 01:59:35,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:35,346 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:35,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 01:59:35,346 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:35,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:35,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1552822778, now seen corresponding path program 3 times [2020-10-15 01:59:35,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:35,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642743807] [2020-10-15 01:59:35,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:35,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:35,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:35,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 01:59:35,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:35,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-15 01:59:35,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:35,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 01:59:35,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:35,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:35,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:35,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:35,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:35,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:35,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:35,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:36,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 01:59:36,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:36,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-15 01:59:36,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:36,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 01:59:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 01:59:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:36,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:59:36,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-15 01:59:36,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:36,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:59:36,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:36,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:36,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:59:36,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:36,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-15 01:59:36,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:36,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 01:59:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:36,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:36,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:36,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:36,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-15 01:59:36,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:36,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:36,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:36,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:36,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:36,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:36,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 01:59:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:36,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:36,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 01:59:37,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:37,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:37,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 01:59:37,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:37,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:37,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:37,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:37,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-15 01:59:37,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642743807] [2020-10-15 01:59:37,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:37,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-15 01:59:37,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816205604] [2020-10-15 01:59:37,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 01:59:37,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:37,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 01:59:37,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-15 01:59:37,312 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 21 states. [2020-10-15 01:59:38,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:38,046 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2020-10-15 01:59:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 01:59:38,047 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 63 [2020-10-15 01:59:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:38,048 INFO L225 Difference]: With dead ends: 92 [2020-10-15 01:59:38,048 INFO L226 Difference]: Without dead ends: 88 [2020-10-15 01:59:38,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=1161, Unknown=0, NotChecked=0, Total=1260 [2020-10-15 01:59:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-15 01:59:38,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 48. [2020-10-15 01:59:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-15 01:59:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2020-10-15 01:59:38,060 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 63 [2020-10-15 01:59:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:38,060 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2020-10-15 01:59:38,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 01:59:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2020-10-15 01:59:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-15 01:59:38,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:38,063 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:38,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 01:59:38,063 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:38,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:38,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1668346559, now seen corresponding path program 3 times [2020-10-15 01:59:38,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:38,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839161553] [2020-10-15 01:59:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:38,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:38,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:38,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-15 01:59:38,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-15 01:59:38,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:38,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:38,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-15 01:59:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:38,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:38,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:38,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:59:38,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:38,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:38,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:38,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:38,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:38,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 01:59:38,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:38,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-15 01:59:38,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:38,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 01:59:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 01:59:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 01:59:38,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-15 01:59:38,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:38,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 01:59:38,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:39,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:39,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:39,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 01:59:39,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-15 01:59:39,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:39,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:39,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:39,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:39,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:39,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 01:59:39,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:39,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 01:59:39,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:39,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:39,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:39,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 01:59:39,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:39,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:39,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:39,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:39,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 01:59:39,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:39,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:39,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:39,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:39,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:39,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:39,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:39,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 01:59:39,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:39,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:39,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:39,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:39,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:39,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:39,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:39,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:59:39,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:39,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:59:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:59:39,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839161553] [2020-10-15 01:59:39,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:39,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-15 01:59:39,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987649155] [2020-10-15 01:59:39,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 01:59:39,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:39,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 01:59:39,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-15 01:59:39,782 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 21 states. [2020-10-15 01:59:40,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:40,521 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-10-15 01:59:40,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 01:59:40,522 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 64 [2020-10-15 01:59:40,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:40,523 INFO L225 Difference]: With dead ends: 75 [2020-10-15 01:59:40,523 INFO L226 Difference]: Without dead ends: 71 [2020-10-15 01:59:40,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 14 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=1161, Unknown=0, NotChecked=0, Total=1260 [2020-10-15 01:59:40,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-15 01:59:40,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 48. [2020-10-15 01:59:40,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-15 01:59:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2020-10-15 01:59:40,536 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 64 [2020-10-15 01:59:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:40,536 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2020-10-15 01:59:40,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 01:59:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2020-10-15 01:59:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-15 01:59:40,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:40,538 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:40,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 01:59:40,543 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:40,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:40,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1424868009, now seen corresponding path program 4 times [2020-10-15 01:59:40,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:40,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50533945] [2020-10-15 01:59:40,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:41,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-15 01:59:41,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:41,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-15 01:59:41,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:41,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 01:59:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 01:59:41,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:41,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:41,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:41,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:41,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:41,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:41,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:41,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:41,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 01:59:41,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-15 01:59:41,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:41,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 01:59:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:41,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 01:59:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:41,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:41,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:41,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 01:59:41,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-15 01:59:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:41,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 01:59:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:41,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:41,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:59:42,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-15 01:59:42,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:59:42,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:42,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:59:42,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-15 01:59:42,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 01:59:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:42,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-15 01:59:42,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:42,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:42,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:42,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 01:59:42,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:42,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:42,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:59:42,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:42,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:42,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:59:42,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:42,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:42,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:42,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:42,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:42,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-15 01:59:42,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50533945] [2020-10-15 01:59:42,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:42,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 01:59:42,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541829022] [2020-10-15 01:59:42,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 01:59:42,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:42,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 01:59:42,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2020-10-15 01:59:42,876 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 23 states. [2020-10-15 01:59:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:43,685 INFO L93 Difference]: Finished difference Result 101 states and 105 transitions. [2020-10-15 01:59:43,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:59:43,685 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 70 [2020-10-15 01:59:43,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:43,686 INFO L225 Difference]: With dead ends: 101 [2020-10-15 01:59:43,687 INFO L226 Difference]: Without dead ends: 48 [2020-10-15 01:59:43,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=135, Invalid=1425, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 01:59:43,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-15 01:59:43,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-15 01:59:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-15 01:59:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2020-10-15 01:59:43,692 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 70 [2020-10-15 01:59:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:43,693 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2020-10-15 01:59:43,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 01:59:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2020-10-15 01:59:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-15 01:59:43,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:43,694 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:43,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 01:59:43,694 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:43,695 INFO L82 PathProgramCache]: Analyzing trace with hash 353359300, now seen corresponding path program 4 times [2020-10-15 01:59:43,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:43,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199709433] [2020-10-15 01:59:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:43,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:44,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:44,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-15 01:59:44,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-15 01:59:44,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:44,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 01:59:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 01:59:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:44,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:44,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:44,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:44,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:44,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:44,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:44,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:44,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:44,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:44,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 01:59:44,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-15 01:59:44,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:44,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 01:59:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 01:59:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:44,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:44,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:44,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 01:59:44,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:44,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-15 01:59:44,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:44,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:44,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:44,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:44,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 01:59:44,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:44,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:44,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 01:59:45,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-15 01:59:45,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 01:59:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:45,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 01:59:45,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-15 01:59:45,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:45,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:45,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 01:59:45,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 01:59:45,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:45,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:45,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-15 01:59:45,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:45,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 01:59:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:45,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:45,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:45,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:59:45,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:45,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:45,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:45,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:45,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:45,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:59:45,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:45,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-15 01:59:45,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199709433] [2020-10-15 01:59:45,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:45,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 01:59:45,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234852553] [2020-10-15 01:59:45,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 01:59:45,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:45,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 01:59:45,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-15 01:59:45,872 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 23 states. [2020-10-15 01:59:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:46,739 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2020-10-15 01:59:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:59:46,740 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-10-15 01:59:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:46,741 INFO L225 Difference]: With dead ends: 78 [2020-10-15 01:59:46,741 INFO L226 Difference]: Without dead ends: 74 [2020-10-15 01:59:46,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=111, Invalid=1449, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 01:59:46,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-15 01:59:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 51. [2020-10-15 01:59:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-15 01:59:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-10-15 01:59:46,748 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 71 [2020-10-15 01:59:46,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:46,749 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-10-15 01:59:46,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 01:59:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-10-15 01:59:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-15 01:59:46,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:46,750 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:46,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 01:59:46,750 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:46,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:46,750 INFO L82 PathProgramCache]: Analyzing trace with hash -253004386, now seen corresponding path program 4 times [2020-10-15 01:59:46,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:46,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227487065] [2020-10-15 01:59:46,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:46,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:47,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-15 01:59:47,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-15 01:59:47,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:47,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 01:59:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 01:59:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:47,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:47,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:47,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:59:47,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:47,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:47,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:47,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:47,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:47,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 01:59:47,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-15 01:59:47,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:47,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 01:59:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 01:59:47,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:47,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:47,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 01:59:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:47,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 01:59:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:47,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:47,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:47,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 01:59:47,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-15 01:59:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:47,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 01:59:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:47,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:59:48,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-15 01:59:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:59:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:48,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:59:48,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 01:59:48,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 01:59:48,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 01:59:48,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:48,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:48,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 01:59:48,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:48,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:48,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:48,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 01:59:48,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:48,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:48,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:48,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:59:48,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:48,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:48,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-15 01:59:48,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227487065] [2020-10-15 01:59:48,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:48,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-15 01:59:48,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944105501] [2020-10-15 01:59:48,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-15 01:59:48,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:48,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-15 01:59:48,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:59:48,941 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 26 states. [2020-10-15 01:59:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:49,932 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2020-10-15 01:59:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 01:59:49,932 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 77 [2020-10-15 01:59:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:49,934 INFO L225 Difference]: With dead ends: 84 [2020-10-15 01:59:49,934 INFO L226 Difference]: Without dead ends: 80 [2020-10-15 01:59:49,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=138, Invalid=1842, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 01:59:49,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-15 01:59:49,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 54. [2020-10-15 01:59:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-15 01:59:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-10-15 01:59:49,939 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 77 [2020-10-15 01:59:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:49,939 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-10-15 01:59:49,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-15 01:59:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-10-15 01:59:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-15 01:59:49,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:49,940 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:49,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 01:59:49,941 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:49,941 INFO L82 PathProgramCache]: Analyzing trace with hash 462698472, now seen corresponding path program 5 times [2020-10-15 01:59:49,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:49,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862691064] [2020-10-15 01:59:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:49,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 01:59:50,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-15 01:59:50,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 01:59:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-15 01:59:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:50,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:50,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:50,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 01:59:50,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-15 01:59:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:50,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 01:59:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 01:59:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:50,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:50,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:51,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:51,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 01:59:51,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:51,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-15 01:59:51,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:51,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:51,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 01:59:51,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:51,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 01:59:51,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:51,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:51,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 01:59:51,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:51,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-15 01:59:51,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:51,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:51,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 01:59:51,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:51,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 01:59:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:51,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:51,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:51,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 01:59:51,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 01:59:51,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:51,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 01:59:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:51,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 01:59:51,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 01:59:51,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:51,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 01:59:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:51,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 01:59:52,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-15 01:59:52,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:59:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 01:59:52,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 01:59:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:52,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 01:59:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 01:59:52,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 01:59:52,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:59:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 01:59:52,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 01:59:52,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 01:59:52,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:52,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:59:52,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 01:59:52,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 01:59:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:52,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:52,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:52,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:52,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 01:59:52,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:52,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:59:52,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:52,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:59:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-15 01:59:52,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862691064] [2020-10-15 01:59:52,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:52,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-15 01:59:52,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366161380] [2020-10-15 01:59:52,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-15 01:59:52,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:52,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-15 01:59:52,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-15 01:59:52,687 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 27 states. [2020-10-15 01:59:53,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:53,945 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2020-10-15 01:59:53,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 01:59:53,946 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 85 [2020-10-15 01:59:53,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:53,947 INFO L225 Difference]: With dead ends: 90 [2020-10-15 01:59:53,947 INFO L226 Difference]: Without dead ends: 86 [2020-10-15 01:59:53,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=135, Invalid=2121, Unknown=0, NotChecked=0, Total=2256 [2020-10-15 01:59:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-15 01:59:53,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 57. [2020-10-15 01:59:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-15 01:59:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-10-15 01:59:53,956 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 85 [2020-10-15 01:59:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:53,957 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-10-15 01:59:53,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-15 01:59:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-10-15 01:59:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-15 01:59:53,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:53,958 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:53,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 01:59:53,958 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:53,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:53,959 INFO L82 PathProgramCache]: Analyzing trace with hash -668052798, now seen corresponding path program 5 times [2020-10-15 01:59:53,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:53,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374146333] [2020-10-15 01:59:53,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:53,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:54,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 01:59:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 01:59:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:54,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:54,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:54,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:54,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:54,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-15 01:59:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 01:59:54,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:54,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 01:59:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:55,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 01:59:55,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:55,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:55,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:55,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 01:59:55,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 01:59:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:55,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:55,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 01:59:55,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-15 01:59:55,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:55,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 01:59:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 01:59:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:55,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:55,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 01:59:55,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-15 01:59:55,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:55,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 01:59:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:55,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 01:59:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:55,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:55,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:59:56,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 01:59:56,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 01:59:56,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 01:59:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 01:59:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:59:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 01:59:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 01:59:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 01:59:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:59:56,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 01:59:56,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:59:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 01:59:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 01:59:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:59:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:59:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:59:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:59:56,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:59:56,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:59:56,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:59:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:59:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:56,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:56,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:56,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:56,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:59:56,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:59:56,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:56,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:59:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:59:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-15 01:59:56,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374146333] [2020-10-15 01:59:56,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:59:56,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-15 01:59:56,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097498685] [2020-10-15 01:59:56,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-15 01:59:56,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:59:56,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-15 01:59:56,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-15 01:59:56,961 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 29 states. [2020-10-15 01:59:58,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:59:58,318 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2020-10-15 01:59:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 01:59:58,318 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 91 [2020-10-15 01:59:58,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:59:58,320 INFO L225 Difference]: With dead ends: 96 [2020-10-15 01:59:58,320 INFO L226 Difference]: Without dead ends: 92 [2020-10-15 01:59:58,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 20 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=147, Invalid=2505, Unknown=0, NotChecked=0, Total=2652 [2020-10-15 01:59:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-15 01:59:58,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 60. [2020-10-15 01:59:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-15 01:59:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-10-15 01:59:58,326 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 91 [2020-10-15 01:59:58,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:59:58,327 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-10-15 01:59:58,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-15 01:59:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-10-15 01:59:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-15 01:59:58,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:59:58,328 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:59:58,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 01:59:58,328 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:59:58,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:59:58,329 INFO L82 PathProgramCache]: Analyzing trace with hash 165729164, now seen corresponding path program 6 times [2020-10-15 01:59:58,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:59:58,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522416926] [2020-10-15 01:59:58,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:59:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:58,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:58,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:58,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-15 01:59:58,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-15 01:59:58,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:58,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 01:59:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 01:59:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-15 01:59:58,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:58,963 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2020-10-15 01:59:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:59:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:58,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:59:58,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:59:58,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:58,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:59:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:59:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:59:58,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:59:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:59,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:59:59,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:59:59,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 01:59:59,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:59:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-15 01:59:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:59:59,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:59:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-15 01:59:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:59:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 01:59:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:59:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 01:59:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:59:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:00:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:00:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-15 02:00:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:00:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:00:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:00,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:00,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:00:00,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-15 02:00:00,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:00,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:00:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:00,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:00,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:00:01,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-15 02:00:01,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:00:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:00:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:00:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-15 02:00:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:00:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:00:01,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 02:00:01,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:00:01,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:00:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:01,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:00:01,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:00:01,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:00:01,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:00:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:01,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:01,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:01,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:01,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:00:01,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:01,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:01,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-10-15 02:00:02,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522416926] [2020-10-15 02:00:02,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:02,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-15 02:00:02,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556789988] [2020-10-15 02:00:02,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-15 02:00:02,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:02,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-15 02:00:02,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=928, Unknown=0, NotChecked=0, Total=992 [2020-10-15 02:00:02,114 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 32 states. [2020-10-15 02:00:03,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:03,634 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2020-10-15 02:00:03,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-15 02:00:03,638 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 99 [2020-10-15 02:00:03,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:03,640 INFO L225 Difference]: With dead ends: 102 [2020-10-15 02:00:03,640 INFO L226 Difference]: Without dead ends: 98 [2020-10-15 02:00:03,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=176, Invalid=3016, Unknown=0, NotChecked=0, Total=3192 [2020-10-15 02:00:03,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-15 02:00:03,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 63. [2020-10-15 02:00:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-15 02:00:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2020-10-15 02:00:03,648 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 99 [2020-10-15 02:00:03,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:03,648 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2020-10-15 02:00:03,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-15 02:00:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-10-15 02:00:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-15 02:00:03,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:03,650 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:03,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 02:00:03,650 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:03,651 INFO L82 PathProgramCache]: Analyzing trace with hash 850643302, now seen corresponding path program 6 times [2020-10-15 02:00:03,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:03,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668384845] [2020-10-15 02:00:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:03,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:04,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:00:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:04,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:04,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:04,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:04,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:04,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:04,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:04,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:04,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:04,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:04,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:00:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:04,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 564 [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-15 02:00:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:00:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:04,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:04,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:05,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:05,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:00:05,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-15 02:00:05,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:05,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:00:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:00:05,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:05,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:05,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:05,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:06,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:06,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:00:06,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:06,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-15 02:00:06,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:06,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:06,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:06,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:06,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:00:06,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:06,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:06,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:06,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:06,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:06,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:00:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:06,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:06,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:06,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:06,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:00:06,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:06,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-15 02:00:06,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:06,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:06,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:00:06,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:07,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:07,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:07,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:00:07,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:07,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-15 02:00:07,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:07,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:00:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:07,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:07,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:07,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:00:07,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:00:07,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:07,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:07,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:00:07,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-15 02:00:07,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:07,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:00:07,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:07,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:00:07,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 02:00:07,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:07,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:00:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:07,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:07,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:00:07,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:00:07,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:07,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:00:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:08,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:00:08,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:08,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 02:00:08,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:08,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:00:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:08,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:00:08,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:00:08,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:08,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:08,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:08,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:08,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:08,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:00:08,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:00:08,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:08,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:00:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:08,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:08,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:08,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:08,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-10-15 02:00:08,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668384845] [2020-10-15 02:00:08,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:08,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-15 02:00:08,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253518402] [2020-10-15 02:00:08,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-15 02:00:08,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:08,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-15 02:00:08,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 02:00:08,567 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 33 states. [2020-10-15 02:00:10,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:10,445 INFO L93 Difference]: Finished difference Result 108 states and 110 transitions. [2020-10-15 02:00:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-15 02:00:10,446 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 105 [2020-10-15 02:00:10,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:10,447 INFO L225 Difference]: With dead ends: 108 [2020-10-15 02:00:10,447 INFO L226 Difference]: Without dead ends: 104 [2020-10-15 02:00:10,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=171, Invalid=3369, Unknown=0, NotChecked=0, Total=3540 [2020-10-15 02:00:10,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-15 02:00:10,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 66. [2020-10-15 02:00:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-15 02:00:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2020-10-15 02:00:10,453 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 105 [2020-10-15 02:00:10,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:10,453 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2020-10-15 02:00:10,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-15 02:00:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-10-15 02:00:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-15 02:00:10,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:10,455 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:10,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 02:00:10,455 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:10,456 INFO L82 PathProgramCache]: Analyzing trace with hash -876959568, now seen corresponding path program 7 times [2020-10-15 02:00:10,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:10,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794342446] [2020-10-15 02:00:10,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:11,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:11,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-15 02:00:11,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-15 02:00:11,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:11,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:00:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:00:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:00:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:11,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:11,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:11,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:11,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:11,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:00:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:11,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:11,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 02:00:11,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-15 02:00:11,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:11,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-15 02:00:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:00:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:12,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:00:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:00:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:12,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:00:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:13,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:13,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:00:13,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-15 02:00:13,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:13,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:13,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:00:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:13,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:13,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:13,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:00:13,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-15 02:00:13,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:13,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:00:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:13,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:13,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:13,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:00:13,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-15 02:00:13,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:13,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:00:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:13,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:13,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:13,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:00:13,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-15 02:00:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:13,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:00:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:13,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:13,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:00:14,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-15 02:00:14,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:00:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:14,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:14,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:00:14,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 02:00:14,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:00:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:14,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:00:14,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-15 02:00:14,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:00:14,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:14,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:00:14,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 02:00:14,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:00:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:14,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:14,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:00:14,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:00:14,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:00:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:14,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:14,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:14,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:00:14,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:14,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:14,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:14,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:14,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:00:14,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:14,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:00:14,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:14,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:14,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:14,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:00:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:15,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:15,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:15,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:15,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:15,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:15,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:00:15,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:15,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2020-10-15 02:00:15,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794342446] [2020-10-15 02:00:15,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:15,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-15 02:00:15,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530946124] [2020-10-15 02:00:15,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-15 02:00:15,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:15,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-15 02:00:15,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 02:00:15,242 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 35 states. [2020-10-15 02:00:17,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:17,247 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2020-10-15 02:00:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-15 02:00:17,248 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 113 [2020-10-15 02:00:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:17,250 INFO L225 Difference]: With dead ends: 114 [2020-10-15 02:00:17,250 INFO L226 Difference]: Without dead ends: 110 [2020-10-15 02:00:17,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 25 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=183, Invalid=3849, Unknown=0, NotChecked=0, Total=4032 [2020-10-15 02:00:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-15 02:00:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 69. [2020-10-15 02:00:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-15 02:00:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2020-10-15 02:00:17,256 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 113 [2020-10-15 02:00:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:17,257 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2020-10-15 02:00:17,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-15 02:00:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2020-10-15 02:00:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 02:00:17,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:17,263 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:17,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 02:00:17,263 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:17,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:17,263 INFO L82 PathProgramCache]: Analyzing trace with hash 367057290, now seen corresponding path program 7 times [2020-10-15 02:00:17,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:17,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717818939] [2020-10-15 02:00:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:17,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:17,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:18,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:00:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:18,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:18,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:18,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:18,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:18,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:18,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:00:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:19,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:19,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:00:19,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 903 [2020-10-15 02:00:19,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:19,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-10-15 02:00:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:00:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:19,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:19,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:19,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:19,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:19,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 02:00:19,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:19,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751 [2020-10-15 02:00:19,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:19,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:19,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:00:19,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:19,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:00:19,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:19,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:19,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:20,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:00:20,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-15 02:00:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:20,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:00:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:00:20,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:20,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:20,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:00:20,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:00:20,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:20,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:20,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:00:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-15 02:00:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:00:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:00:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:21,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:21,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:00:21,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-15 02:00:21,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:21,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:21,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:00:21,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:00:22,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-15 02:00:22,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:00:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:00:22,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-15 02:00:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:00:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:22,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:00:22,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-15 02:00:22,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:22,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:00:22,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:00:22,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-15 02:00:22,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:00:22,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:00:22,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 02:00:22,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:00:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:22,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:22,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:22,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:22,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:00:22,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:00:22,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:22,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:00:22,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:23,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:23,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:23,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:00:23,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:00:23,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:23,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:00:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:23,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:23,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:23,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:23,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:23,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-10-15 02:00:23,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717818939] [2020-10-15 02:00:23,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:23,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-15 02:00:23,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375106160] [2020-10-15 02:00:23,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-15 02:00:23,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:23,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-15 02:00:23,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 02:00:23,587 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 37 states. [2020-10-15 02:00:25,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:25,843 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2020-10-15 02:00:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-15 02:00:25,844 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 119 [2020-10-15 02:00:25,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:25,845 INFO L225 Difference]: With dead ends: 120 [2020-10-15 02:00:25,845 INFO L226 Difference]: Without dead ends: 116 [2020-10-15 02:00:25,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 26 SyntacticMatches, 8 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=195, Invalid=4361, Unknown=0, NotChecked=0, Total=4556 [2020-10-15 02:00:25,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-15 02:00:25,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 72. [2020-10-15 02:00:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-15 02:00:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2020-10-15 02:00:25,852 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 119 [2020-10-15 02:00:25,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:25,852 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2020-10-15 02:00:25,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-15 02:00:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2020-10-15 02:00:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-15 02:00:25,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:25,854 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:25,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 02:00:25,854 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:25,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:25,854 INFO L82 PathProgramCache]: Analyzing trace with hash -873547948, now seen corresponding path program 8 times [2020-10-15 02:00:25,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:25,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948449512] [2020-10-15 02:00:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:26,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 826 [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:00:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:00:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-15 02:00:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:26,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:26,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:26,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:26,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:26,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:26,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:00:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:26,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:27,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:27,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 02:00:27,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 69 [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-15 02:00:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:27,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:27,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:00:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:28,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:28,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:28,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:28,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 02:00:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-15 02:00:28,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:28,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:00:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:00:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:28,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:28,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:29,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:00:29,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 697 [2020-10-15 02:00:29,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:29,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:00:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:00:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:29,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:30,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:00:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:30,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:00:30,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:30,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:30,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:30,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:00:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:30,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:31,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:00:31,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:00:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:31,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:31,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:31,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:31,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:00:31,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:31,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-15 02:00:31,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:31,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:31,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:31,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:31,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:00:31,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:31,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:31,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:31,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:31,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:00:31,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-15 02:00:31,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:31,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:31,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:00:31,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:31,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:31,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:31,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:31,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:00:31,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-15 02:00:31,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:31,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:00:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:31,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:31,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:32,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:32,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:00:32,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-15 02:00:32,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:32,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:00:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:32,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:32,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:32,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:00:32,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 02:00:32,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:32,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:00:32,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:32,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:32,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:32,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:32,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:00:32,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:32,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 02:00:32,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:32,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:32,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:32,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:32,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:00:32,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:32,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:32,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:32,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:32,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:00:32,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:32,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 02:00:32,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:32,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:32,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:00:32,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:32,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:32,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:32,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:00:32,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:32,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:32,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:32,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:32,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:32,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:00:32,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:32,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:00:32,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:32,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:32,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:00:32,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:33,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:33,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:33,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:00:33,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:33,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:33,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-10-15 02:00:33,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948449512] [2020-10-15 02:00:33,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:33,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-15 02:00:33,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296177631] [2020-10-15 02:00:33,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-15 02:00:33,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:33,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-15 02:00:33,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1480, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 02:00:33,415 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 40 states. [2020-10-15 02:00:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:36,027 INFO L93 Difference]: Finished difference Result 126 states and 128 transitions. [2020-10-15 02:00:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-15 02:00:36,028 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 127 [2020-10-15 02:00:36,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:36,029 INFO L225 Difference]: With dead ends: 126 [2020-10-15 02:00:36,029 INFO L226 Difference]: Without dead ends: 122 [2020-10-15 02:00:36,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 24 SyntacticMatches, 11 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=228, Invalid=5028, Unknown=0, NotChecked=0, Total=5256 [2020-10-15 02:00:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-15 02:00:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 75. [2020-10-15 02:00:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-15 02:00:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2020-10-15 02:00:36,035 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 127 [2020-10-15 02:00:36,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:36,036 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2020-10-15 02:00:36,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-15 02:00:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2020-10-15 02:00:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-15 02:00:36,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:36,037 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:36,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 02:00:36,038 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:36,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:36,038 INFO L82 PathProgramCache]: Analyzing trace with hash 673350446, now seen corresponding path program 8 times [2020-10-15 02:00:36,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:36,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957973446] [2020-10-15 02:00:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:36,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:37,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1293 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:00:37,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-15 02:00:37,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:37,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:37,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:37,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:37,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:37,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:37,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:37,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:37,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:00:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:37,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:38,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1125 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 73 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-15 02:00:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:38,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:38,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:39,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:00:39,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 713 [2020-10-15 02:00:39,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:39,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:00:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:00:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:39,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:39,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:40,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:00:40,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:00:40,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:40,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:40,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:40,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:40,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 02:00:40,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-15 02:00:40,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:40,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:00:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:00:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:40,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:00:41,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:41,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-15 02:00:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:41,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:00:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:00:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:41,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:41,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:41,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:00:41,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-15 02:00:41,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:41,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:41,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:00:41,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:41,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:00:41,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:42,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:00:42,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-15 02:00:42,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:42,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:42,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:00:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:42,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:42,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:42,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:00:42,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:42,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-15 02:00:42,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:42,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:00:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:42,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:42,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:42,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:00:42,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-15 02:00:42,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:42,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:00:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:42,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:42,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:42,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:42,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:00:42,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:42,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-15 02:00:42,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:42,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:42,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:00:42,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:43,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:00:43,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 02:00:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:43,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:00:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:43,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:43,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:00:43,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:43,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:00:43,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:43,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:43,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:00:43,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:43,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:00:43,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-15 02:00:43,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:43,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:00:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:43,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:43,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:00:43,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:43,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:00:43,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:43,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:43,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:00:43,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:43,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:43,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:43,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:00:43,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:43,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 02:00:43,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:43,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:00:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:43,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:43,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:00:44,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:00:44,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:00:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:00:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:00:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:00:44,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:00:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:44,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:44,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:00:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:00:44,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:44,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:00:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-15 02:00:44,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957973446] [2020-10-15 02:00:44,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:44,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-15 02:00:44,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540960748] [2020-10-15 02:00:44,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-15 02:00:44,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:44,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-15 02:00:44,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 02:00:44,534 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 41 states. [2020-10-15 02:00:47,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:47,375 INFO L93 Difference]: Finished difference Result 132 states and 134 transitions. [2020-10-15 02:00:47,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-15 02:00:47,375 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 133 [2020-10-15 02:00:47,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:47,376 INFO L225 Difference]: With dead ends: 132 [2020-10-15 02:00:47,376 INFO L226 Difference]: Without dead ends: 128 [2020-10-15 02:00:47,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=219, Invalid=5481, Unknown=0, NotChecked=0, Total=5700 [2020-10-15 02:00:47,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-15 02:00:47,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 78. [2020-10-15 02:00:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-15 02:00:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2020-10-15 02:00:47,383 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 133 [2020-10-15 02:00:47,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:47,384 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2020-10-15 02:00:47,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-15 02:00:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2020-10-15 02:00:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-15 02:00:47,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:47,385 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:47,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 02:00:47,386 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:47,386 INFO L82 PathProgramCache]: Analyzing trace with hash 273809272, now seen corresponding path program 9 times [2020-10-15 02:00:47,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:47,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882755286] [2020-10-15 02:00:47,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:47,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:48,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 955 [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:00:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:00:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-15 02:00:48,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:48,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:00:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:48,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:00:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:00:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:48,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:00:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:48,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:00:48,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:48,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:00:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:48,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:49,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:49,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-15 02:00:49,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-15 02:00:49,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:49,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 77 [2020-10-15 02:00:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-15 02:00:49,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:49,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:49,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-15 02:00:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:50,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:50,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:50,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-15 02:00:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:50,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:51,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:51,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:00:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:51,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:51,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:51,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 02:00:51,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:00:51,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:52,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:52,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:00:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:00:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:52,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:52,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:52,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:52,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:00:52,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-15 02:00:52,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:52,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:00:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:00:52,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:52,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:52,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:53,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:53,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:00:53,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-15 02:00:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:53,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:00:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:00:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:53,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:53,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:53,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:53,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:00:53,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:53,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-15 02:00:53,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:53,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:00:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:00:53,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:53,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:00:54,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:54,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-15 02:00:54,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:00:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:00:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:00:54,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:00:54,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:54,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-15 02:00:54,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:00:54,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:00:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:54,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:00:54,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:54,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-15 02:00:54,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:00:54,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:00:54,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:54,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:54,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:54,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:00:54,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:54,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:00:54,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:54,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:54,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:00:54,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:54,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:00:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:55,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:00:55,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 02:00:55,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:55,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:55,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:00:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:00:55,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:55,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:55,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:00:55,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 02:00:55,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:55,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:00:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:00:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:00:55,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:55,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:55,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:00:55,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 02:00:55,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:55,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:00:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:00:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:55,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:55,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:00:55,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:55,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:00:55,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:55,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:00:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:55,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:00:55,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:00:55,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:55,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:00:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:00:55,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:55,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:00:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:55,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:55,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:00:55,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:00:55,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:00:55,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:00:55,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:00:55,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:00:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:00:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:00:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:00:55,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:00:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-15 02:00:56,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882755286] [2020-10-15 02:00:56,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:00:56,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-15 02:00:56,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958273476] [2020-10-15 02:00:56,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-15 02:00:56,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:00:56,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-15 02:00:56,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-15 02:00:56,110 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 43 states. [2020-10-15 02:00:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:00:59,216 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2020-10-15 02:00:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 02:00:59,218 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 141 [2020-10-15 02:00:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:00:59,220 INFO L225 Difference]: With dead ends: 138 [2020-10-15 02:00:59,220 INFO L226 Difference]: Without dead ends: 134 [2020-10-15 02:00:59,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 33 SyntacticMatches, 7 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=231, Invalid=6089, Unknown=0, NotChecked=0, Total=6320 [2020-10-15 02:00:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-15 02:00:59,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 81. [2020-10-15 02:00:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-15 02:00:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2020-10-15 02:00:59,228 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 141 [2020-10-15 02:00:59,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:00:59,229 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2020-10-15 02:00:59,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-15 02:00:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2020-10-15 02:00:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-15 02:00:59,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:00:59,231 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:00:59,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-15 02:00:59,231 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:00:59,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:00:59,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1125267886, now seen corresponding path program 9 times [2020-10-15 02:00:59,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:00:59,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102410561] [2020-10-15 02:00:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:00:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:00:59,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:00:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:00,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 02:01:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1173 [2020-10-15 02:01:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:00,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:01:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:01:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-15 02:01:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:00,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:00,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:00,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:00,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:00,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:00,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:01:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:00,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:00,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 945 [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 81 [2020-10-15 02:01:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-15 02:01:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:01,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:02,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-15 02:01:02,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-15 02:01:02,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:02,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:03,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:01:03,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:03,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-15 02:01:03,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:03,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:03,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:04,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:04,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:01:04,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-15 02:01:04,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:04,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:01:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:01:04,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:04,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:04,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:04,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:04,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:01:04,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-15 02:01:04,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:04,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:01:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:01:04,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:04,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:04,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:04,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:05,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:05,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 02:01:05,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:05,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-15 02:01:05,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:05,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:01:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:01:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:05,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:05,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:01:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:06,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:06,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:06,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:01:06,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-15 02:01:06,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:06,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:01:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:01:06,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:06,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:01:06,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:06,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-15 02:01:06,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:06,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:01:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:06,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:01:06,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:06,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:06,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:01:07,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-15 02:01:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:01:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:01:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:01:07,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:07,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-15 02:01:07,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:01:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:01:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:01:07,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:07,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-15 02:01:07,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:01:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:01:07,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:07,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:07,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:07,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:01:07,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-15 02:01:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:07,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:01:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:01:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:08,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:01:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-15 02:01:08,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:08,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:01:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:01:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:08,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:08,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:08,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:01:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 02:01:08,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:08,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:01:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:01:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:08,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:01:08,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:08,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 02:01:08,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:08,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:08,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:01:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:01:08,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:08,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:08,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:08,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:01:08,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 02:01:08,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:08,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:01:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:01:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:08,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:08,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:08,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:08,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:01:08,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:08,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:08,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:08,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:08,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:01:08,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:09,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:09,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:09,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:01:09,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:09,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:01:09,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:09,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:01:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:01:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:09,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:09,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:09,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:09,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:09,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:01:09,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:09,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2020-10-15 02:01:09,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102410561] [2020-10-15 02:01:09,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:09,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-15 02:01:09,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84290479] [2020-10-15 02:01:09,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-15 02:01:09,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:09,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-15 02:01:09,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 02:01:09,564 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 45 states. [2020-10-15 02:01:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:01:12,977 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2020-10-15 02:01:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-15 02:01:12,977 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 147 [2020-10-15 02:01:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:01:12,979 INFO L225 Difference]: With dead ends: 144 [2020-10-15 02:01:12,979 INFO L226 Difference]: Without dead ends: 140 [2020-10-15 02:01:12,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 37 SyntacticMatches, 5 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=243, Invalid=6729, Unknown=0, NotChecked=0, Total=6972 [2020-10-15 02:01:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-15 02:01:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 84. [2020-10-15 02:01:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-15 02:01:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2020-10-15 02:01:12,986 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 147 [2020-10-15 02:01:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:01:12,987 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2020-10-15 02:01:12,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-15 02:01:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2020-10-15 02:01:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-15 02:01:12,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:01:12,988 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:01:12,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-15 02:01:12,989 INFO L427 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:01:12,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:01:12,989 INFO L82 PathProgramCache]: Analyzing trace with hash -708738788, now seen corresponding path program 10 times [2020-10-15 02:01:12,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:01:12,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635091319] [2020-10-15 02:01:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:01:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-15 02:01:14,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:01:14,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-15 02:01:14,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:14,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:14,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:14,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:14,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:14,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:14,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:14,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:14,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:14,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:14,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:14,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:14,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:01:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:15,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 85 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-15 02:01:15,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:15,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:15,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:16,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:16,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:01:16,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 911 [2020-10-15 02:01:16,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:16,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:01:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-15 02:01:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:16,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:17,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:17,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-15 02:01:17,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:17,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-10-15 02:01:17,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:17,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:01:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-15 02:01:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:17,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:17,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:18,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-15 02:01:18,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 750 [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-15 02:01:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:18,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:18,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:18,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-15 02:01:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:18,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:19,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:19,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:01:19,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-15 02:01:19,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:19,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:01:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:19,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:01:19,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:19,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:19,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:19,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:19,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 02:01:19,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-15 02:01:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:19,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:01:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:01:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:20,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:20,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:01:20,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-15 02:01:20,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:20,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:01:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:01:20,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:20,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:20,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:20,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:20,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:01:20,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-15 02:01:20,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:20,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:01:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:01:20,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:01:21,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-15 02:01:21,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:01:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:01:21,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:21,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:01:21,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-15 02:01:21,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:21,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:01:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:01:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:22,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:22,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:01:22,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-15 02:01:22,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:22,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:01:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:01:22,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:22,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:22,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:22,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:01:22,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:22,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-15 02:01:22,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:22,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:01:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:22,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:01:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:22,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:22,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:01:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-15 02:01:22,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:22,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:01:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:01:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:22,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:22,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:22,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:22,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:01:22,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:22,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 02:01:22,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:22,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:01:22,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:22,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:01:22,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:22,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:22,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:22,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:01:22,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:22,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 02:01:22,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:22,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:01:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:01:22,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:01:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 02:01:23,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:23,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:01:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:01:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-10-15 02:01:23,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:01:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:01:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:23,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:01:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:01:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:23,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:23,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:23,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:01:23,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:23,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:01:23,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:23,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:23,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:01:23,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:23,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:23,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:23,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:01:23,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:23,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:01:23,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:23,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:01:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:01:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:23,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:23,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:23,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:01:23,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:23,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:01:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2020-10-15 02:01:24,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635091319] [2020-10-15 02:01:24,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:24,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-15 02:01:24,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275164556] [2020-10-15 02:01:24,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-15 02:01:24,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:24,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-15 02:01:24,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-15 02:01:24,159 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand 47 states. [2020-10-15 02:01:27,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:01:27,877 INFO L93 Difference]: Finished difference Result 150 states and 152 transitions. [2020-10-15 02:01:27,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-15 02:01:27,878 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 155 [2020-10-15 02:01:27,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:01:27,879 INFO L225 Difference]: With dead ends: 150 [2020-10-15 02:01:27,879 INFO L226 Difference]: Without dead ends: 146 [2020-10-15 02:01:27,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 35 SyntacticMatches, 9 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=255, Invalid=7401, Unknown=0, NotChecked=0, Total=7656 [2020-10-15 02:01:27,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-15 02:01:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 87. [2020-10-15 02:01:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-15 02:01:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2020-10-15 02:01:27,890 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 155 [2020-10-15 02:01:27,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:01:27,890 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2020-10-15 02:01:27,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-15 02:01:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2020-10-15 02:01:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-15 02:01:27,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:01:27,893 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:01:27,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-15 02:01:27,893 INFO L427 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:01:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:01:27,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1891607286, now seen corresponding path program 10 times [2020-10-15 02:01:27,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:01:27,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701143407] [2020-10-15 02:01:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:01:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:27,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:29,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:29,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-15 02:01:29,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1431 [2020-10-15 02:01:29,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:29,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-15 02:01:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:01:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-15 02:01:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:29,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:29,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:29,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:29,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:01:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:29,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:29,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:30,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-15 02:01:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1136 [2020-10-15 02:01:30,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:30,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 89 [2020-10-15 02:01:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-15 02:01:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:30,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:30,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:30,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:31,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-15 02:01:31,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:31,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-10-15 02:01:31,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:31,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-15 02:01:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-15 02:01:31,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:31,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:31,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:31,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:32,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:01:32,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-15 02:01:32,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:32,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:01:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-15 02:01:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:32,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:32,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:32,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:33,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:33,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 839 [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-15 02:01:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:33,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:33,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:33,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:34,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:34,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 02:01:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 768 [2020-10-15 02:01:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:34,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:01:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-15 02:01:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:34,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:34,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:34,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:35,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:01:35,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:35,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 668 [2020-10-15 02:01:35,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:35,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:01:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:01:35,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:35,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:35,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:01:35,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-15 02:01:35,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:35,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:01:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:01:35,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:35,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:35,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:35,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:36,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 02:01:36,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:36,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-15 02:01:36,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:36,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:01:36,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:36,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:01:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:36,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:36,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:36,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:01:36,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-15 02:01:36,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:36,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:01:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:36,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:01:36,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:37,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:37,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:37,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:01:37,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:37,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-15 02:01:37,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:37,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:37,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:01:37,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:37,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:01:37,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:37,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:37,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:37,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:01:37,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-15 02:01:37,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:37,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:01:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:37,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:01:37,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:37,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:37,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:38,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:38,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:01:38,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-15 02:01:38,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:38,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:01:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:01:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:38,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:38,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:38,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:38,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:01:38,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-15 02:01:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:38,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:01:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:38,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:01:38,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:38,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:38,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:38,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:01:38,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:38,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-15 02:01:38,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:38,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:01:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:01:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:38,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:39,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:39,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:01:39,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-15 02:01:39,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:39,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:39,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:01:39,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:39,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:01:39,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:39,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:39,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:01:39,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 02:01:39,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:39,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:01:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:01:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:39,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:39,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:39,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:01:39,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:39,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:01:39,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:39,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:39,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:01:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:39,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:01:39,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:39,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:39,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:01:39,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 02:01:39,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:39,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:01:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:01:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:40,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:40,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:01:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 02:01:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:40,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:01:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:01:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:40,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:40,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:01:40,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:01:40,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:40,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:01:40,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:40,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:40,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:01:40,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:01:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:01:40,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:40,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:40,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:01:40,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:01:40,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:40,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:40,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:40,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:40,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:01:40,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:40,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:01:40,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:40,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:40,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:01:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-15 02:01:40,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701143407] [2020-10-15 02:01:40,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:40,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-15 02:01:40,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314219089] [2020-10-15 02:01:40,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-15 02:01:40,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:40,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-15 02:01:40,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-15 02:01:40,951 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand 49 states. [2020-10-15 02:01:44,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:01:44,930 INFO L93 Difference]: Finished difference Result 156 states and 158 transitions. [2020-10-15 02:01:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-15 02:01:44,931 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 161 [2020-10-15 02:01:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:01:44,932 INFO L225 Difference]: With dead ends: 156 [2020-10-15 02:01:44,932 INFO L226 Difference]: Without dead ends: 152 [2020-10-15 02:01:44,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 35 SyntacticMatches, 11 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=267, Invalid=8105, Unknown=0, NotChecked=0, Total=8372 [2020-10-15 02:01:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-15 02:01:44,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 90. [2020-10-15 02:01:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-15 02:01:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2020-10-15 02:01:44,938 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 161 [2020-10-15 02:01:44,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:01:44,939 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2020-10-15 02:01:44,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-15 02:01:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2020-10-15 02:01:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-15 02:01:44,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:01:44,941 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:01:44,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-15 02:01:44,941 INFO L427 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:01:44,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:01:44,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1407042496, now seen corresponding path program 11 times [2020-10-15 02:01:44,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:01:44,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266272249] [2020-10-15 02:01:44,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:01:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:44,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:46,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1556 [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-15 02:01:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:01:46,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-15 02:01:46,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:46,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:01:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:01:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:01:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:46,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:01:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:01:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:46,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:01:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:47,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:47,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-15 02:01:47,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:47,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1240 [2020-10-15 02:01:47,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:47,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 93 [2020-10-15 02:01:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-15 02:01:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:47,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:47,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:49,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:49,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1220 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-15 02:01:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:49,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:50,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-15 02:01:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:50,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:50,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:51,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:51,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:01:51,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 937 [2020-10-15 02:01:51,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:51,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:01:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-15 02:01:51,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:51,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:52,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:52,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-15 02:01:52,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-10-15 02:01:52,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:52,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:01:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-15 02:01:52,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:52,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:53,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:53,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-15 02:01:53,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 735 [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-15 02:01:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:53,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:53,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 651 [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:01:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-15 02:01:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:53,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:54,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:54,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:01:54,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-15 02:01:54,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:54,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:01:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:54,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:01:54,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:54,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:54,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:55,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:55,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 02:01:55,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-15 02:01:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:55,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:01:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:01:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:55,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:55,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:55,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:55,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:01:55,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:55,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-15 02:01:55,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:55,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:01:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:01:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:55,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:56,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:56,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:01:56,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:56,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-15 02:01:56,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:56,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:56,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:01:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:56,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:01:56,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:56,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:56,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:01:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-15 02:01:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:56,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:01:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:01:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:56,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:56,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:56,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:56,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:01:56,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-15 02:01:56,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:56,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:01:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:01:56,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:56,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:57,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:01:57,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:57,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-15 02:01:57,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:57,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:01:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:01:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:57,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:01:57,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-15 02:01:57,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:57,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:01:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:01:57,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:57,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:57,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:57,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:01:57,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:57,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-15 02:01:57,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:57,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:01:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:01:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:01:57,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:57,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:57,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:57,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:01:57,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 02:01:57,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:57,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:01:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:57,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:01:57,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:58,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:58,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:58,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:58,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:01:58,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-15 02:01:58,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:58,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:01:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:01:58,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:58,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:58,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:58,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:58,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:01:58,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:58,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:01:58,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:58,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:58,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:01:58,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:01:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:58,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:58,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:58,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:58,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:01:58,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 02:01:58,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:58,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:58,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:01:58,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:01:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:58,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:58,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:01:58,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:01:58,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:58,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:01:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:01:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:58,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:58,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:01:59,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:59,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:01:59,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:59,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:01:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:01:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:01:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:01:59,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:01:59,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:01:59,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:01:59,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:01:59,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:01:59,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:01:59,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:01:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:01:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:01:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:01:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:01:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 382 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2020-10-15 02:01:59,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266272249] [2020-10-15 02:01:59,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:01:59,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-15 02:01:59,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365572013] [2020-10-15 02:01:59,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-15 02:01:59,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:01:59,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-15 02:01:59,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=2548, Unknown=0, NotChecked=0, Total=2652 [2020-10-15 02:01:59,732 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand 52 states. [2020-10-15 02:02:04,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:02:04,290 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2020-10-15 02:02:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-15 02:02:04,292 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 169 [2020-10-15 02:02:04,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:02:04,293 INFO L225 Difference]: With dead ends: 162 [2020-10-15 02:02:04,293 INFO L226 Difference]: Without dead ends: 158 [2020-10-15 02:02:04,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 37 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=306, Invalid=9006, Unknown=0, NotChecked=0, Total=9312 [2020-10-15 02:02:04,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-15 02:02:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 93. [2020-10-15 02:02:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-15 02:02:04,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-10-15 02:02:04,300 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 169 [2020-10-15 02:02:04,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:02:04,309 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-10-15 02:02:04,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-15 02:02:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-10-15 02:02:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-15 02:02:04,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:02:04,310 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:02:04,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-15 02:02:04,312 INFO L427 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:02:04,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:02:04,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1159534874, now seen corresponding path program 11 times [2020-10-15 02:02:04,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:02:04,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292173122] [2020-10-15 02:02:04,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:02:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:06,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1780 [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 98 [2020-10-15 02:02:06,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:02:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-15 02:02:06,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:06,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:02:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:06,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:06,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:06,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:06,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:02:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:06,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:06,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 97 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-15 02:02:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:07,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-15 02:02:09,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-15 02:02:09,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:09,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-15 02:02:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-15 02:02:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:09,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:09,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:09,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:10,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:10,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-15 02:02:10,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1231 [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-15 02:02:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:10,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:11,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:11,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-15 02:02:11,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:11,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1097 [2020-10-15 02:02:11,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:11,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-15 02:02:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-15 02:02:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:11,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-15 02:02:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:12,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:12,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:12,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:13,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-15 02:02:13,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 866 [2020-10-15 02:02:13,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:13,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:02:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-15 02:02:13,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:14,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:14,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 02:02:14,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-15 02:02:14,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:14,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:02:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-15 02:02:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:14,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:15,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:02:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 670 [2020-10-15 02:02:15,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:15,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:02:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:02:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:15,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:15,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:15,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:15,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:02:15,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-15 02:02:15,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:15,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:02:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:02:15,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:15,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:16,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:16,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:16,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 02:02:16,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:16,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 535 [2020-10-15 02:02:16,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:16,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:02:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:16,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:02:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:16,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:16,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:16,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:17,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:17,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:02:17,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:17,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-15 02:02:17,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:17,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:02:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:02:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:17,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:17,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:17,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:02:17,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-15 02:02:17,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:17,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:02:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:02:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:17,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:17,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:17,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:17,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:17,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:02:17,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-15 02:02:17,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:17,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:02:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:17,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:02:17,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:02:18,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 02:02:18,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:02:18,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:02:18,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:18,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:02:18,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-15 02:02:18,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:18,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:02:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:02:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:18,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:18,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:18,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:19,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:02:19,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-15 02:02:19,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:19,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:02:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:02:19,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:19,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:19,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:02:19,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-15 02:02:19,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:19,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:02:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:02:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:19,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:19,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:19,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:02:19,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-15 02:02:19,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:19,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:02:19,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:19,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:02:19,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:19,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:19,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:19,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:02:19,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:19,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 02:02:19,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:19,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:02:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:02:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:19,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:19,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:20,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:02:20,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-15 02:02:20,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:20,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:20,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:02:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:02:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:02:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 02:02:20,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:20,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:02:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:02:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:02:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:02:20,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:02:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:02:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:20,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:02:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:02:20,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:20,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:02:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:20,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:20,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:20,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:20,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:02:20,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:02:20,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:20,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:20,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:02:20,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:20,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:02:20,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2020-10-15 02:02:21,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292173122] [2020-10-15 02:02:21,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:02:21,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-15 02:02:21,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105177029] [2020-10-15 02:02:21,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-15 02:02:21,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:02:21,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-15 02:02:21,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-15 02:02:21,295 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 53 states. [2020-10-15 02:02:26,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:02:26,385 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2020-10-15 02:02:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-15 02:02:26,386 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 175 [2020-10-15 02:02:26,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:02:26,388 INFO L225 Difference]: With dead ends: 168 [2020-10-15 02:02:26,388 INFO L226 Difference]: Without dead ends: 164 [2020-10-15 02:02:26,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=291, Invalid=9609, Unknown=0, NotChecked=0, Total=9900 [2020-10-15 02:02:26,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-15 02:02:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 96. [2020-10-15 02:02:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-15 02:02:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2020-10-15 02:02:26,395 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 175 [2020-10-15 02:02:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:02:26,396 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2020-10-15 02:02:26,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-15 02:02:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2020-10-15 02:02:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-15 02:02:26,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:02:26,397 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:02:26,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-15 02:02:26,398 INFO L427 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:02:26,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:02:26,398 INFO L82 PathProgramCache]: Analyzing trace with hash 308359396, now seen corresponding path program 12 times [2020-10-15 02:02:26,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:02:26,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006565469] [2020-10-15 02:02:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:02:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:28,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1820 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 102 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:02:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-15 02:02:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:02:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:28,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:28,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:28,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:02:28,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:28,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:28,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:28,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:28,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:02:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:28,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1554 [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 101 [2020-10-15 02:02:29,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:29,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-15 02:02:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:29,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1465 [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 98 [2020-10-15 02:02:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-15 02:02:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:32,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:32,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-15 02:02:32,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1284 [2020-10-15 02:02:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:32,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-15 02:02:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-15 02:02:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:32,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:32,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:34,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:34,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1138 [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:34,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-15 02:02:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:34,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:34,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:35,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:35,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-15 02:02:35,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:35,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-10-15 02:02:35,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:35,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:35,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-15 02:02:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:35,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-15 02:02:35,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:35,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:35,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:36,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:36,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:02:36,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:36,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-15 02:02:36,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:36,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:02:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-15 02:02:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:36,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:37,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:37,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 837 [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-15 02:02:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:37,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:37,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:37,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-15 02:02:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 734 [2020-10-15 02:02:37,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:37,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:02:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-15 02:02:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:38,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:38,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-15 02:02:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 667 [2020-10-15 02:02:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:38,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:02:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-15 02:02:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:38,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:39,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:39,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:02:39,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-15 02:02:39,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:39,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:02:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:02:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:39,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:40,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 02:02:40,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:40,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-15 02:02:40,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:40,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:02:40,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:40,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:02:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:40,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 02:02:40,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-15 02:02:40,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:40,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:02:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:02:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:40,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:40,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:41,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:41,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:02:41,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:41,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-15 02:02:41,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:41,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:02:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:02:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:41,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:41,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:41,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:02:41,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-15 02:02:41,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:41,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:02:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 02:02:41,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:41,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:41,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:02:41,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:41,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-15 02:02:41,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:41,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:02:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 02:02:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:42,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:42,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 02:02:42,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-15 02:02:42,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:42,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:02:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-15 02:02:42,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:42,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:42,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:42,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:42,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-15 02:02:42,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-15 02:02:42,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:42,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:02:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:02:42,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:42,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:42,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:02:42,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-15 02:02:42,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:42,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:02:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:02:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:43,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:43,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-15 02:02:43,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:02:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:43,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:02:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:02:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:43,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:43,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:43,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:43,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-15 02:02:43,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-15 02:02:43,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:43,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:02:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:02:43,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:43,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:43,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:43,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 02:02:43,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-15 02:02:43,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:43,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:02:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:43,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 02:02:43,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:43,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:43,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:43,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:02:43,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:43,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 02:02:43,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:43,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:02:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:02:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:44,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:44,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 02:02:44,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:02:44,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:44,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:02:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:02:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:44,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:44,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:44,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:44,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 02:02:44,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:02:44,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:44,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:02:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 02:02:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:44,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:44,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:44,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:02:44,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:02:44,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:44,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:02:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:02:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:02:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2020-10-15 02:02:45,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006565469] [2020-10-15 02:02:45,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:02:45,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-15 02:02:45,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962713777] [2020-10-15 02:02:45,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-15 02:02:45,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:02:45,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-15 02:02:45,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-15 02:02:45,029 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand 55 states. [2020-10-15 02:02:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:02:50,619 INFO L93 Difference]: Finished difference Result 174 states and 176 transitions. [2020-10-15 02:02:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-15 02:02:50,620 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 183 [2020-10-15 02:02:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:02:50,622 INFO L225 Difference]: With dead ends: 174 [2020-10-15 02:02:50,622 INFO L226 Difference]: Without dead ends: 170 [2020-10-15 02:02:50,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 45 SyntacticMatches, 7 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=303, Invalid=10409, Unknown=0, NotChecked=0, Total=10712 [2020-10-15 02:02:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-15 02:02:50,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 99. [2020-10-15 02:02:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-15 02:02:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2020-10-15 02:02:50,629 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 183 [2020-10-15 02:02:50,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:02:50,630 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2020-10-15 02:02:50,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-15 02:02:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2020-10-15 02:02:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-15 02:02:50,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:02:50,632 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:02:50,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-15 02:02:50,633 INFO L427 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:02:50,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:02:50,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1016277182, now seen corresponding path program 12 times [2020-10-15 02:02:50,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:02:50,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078303112] [2020-10-15 02:02:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:02:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:50,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:50,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2126 [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:52,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 106 [2020-10-15 02:02:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 02:02:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-15 02:02:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:52,912 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 21 [2020-10-15 02:02:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:02:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:52,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:52,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:52,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:02:52,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:02:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:52,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:53,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:54,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-15 02:02:54,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1697 [2020-10-15 02:02:54,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:54,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 105 [2020-10-15 02:02:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-15 02:02:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:54,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:54,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:54,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:56,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1670 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 102 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-15 02:02:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:56,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:56,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1475 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 98 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-15 02:02:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:58,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:58,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:59,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:02:59,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-15 02:02:59,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:02:59,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1398 [2020-10-15 02:02:59,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:02:59,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:02:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-15 02:02:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:02:59,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-15 02:02:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:02:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:02:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:02:59,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:02:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1204 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 90 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-15 02:03:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:00,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:00,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:01,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:01,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-15 02:03:01,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:01,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-10-15 02:03:01,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:01,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 86 [2020-10-15 02:03:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-15 02:03:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:02,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:02,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:03,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:03,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 987 [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 82 [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-15 02:03:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:03,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:03,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:03,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:04,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:04,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-15 02:03:04,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:04,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 903 [2020-10-15 02:03:04,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:04,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-15 02:03:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-15 02:03:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:04,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:04,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:04,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:04,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-15 02:03:04,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:04,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-15 02:03:04,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:04,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-15 02:03:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-15 02:03:04,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:05,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:05,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:05,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:03:05,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-15 02:03:05,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:05,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:05,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-15 02:03:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:03:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:05,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:05,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:05,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:06,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:03:06,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-15 02:03:06,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:06,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-15 02:03:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:03:06,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:06,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:06,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:07,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 02:03:07,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:07,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-15 02:03:07,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:07,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-15 02:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:03:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:07,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-15 02:03:07,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-15 02:03:07,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:07,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-15 02:03:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-15 02:03:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:07,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:08,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:08,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:03:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-15 02:03:08,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:08,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:03:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 02:03:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:08,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:08,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-15 02:03:08,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-15 02:03:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:08,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:03:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:08,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:03:08,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:09,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:09,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 02:03:09,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:09,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-15 02:03:09,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:09,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:03:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:09,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 02:03:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:03:09,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:09,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:09,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:09,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:09,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 02:03:09,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-15 02:03:09,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:09,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:03:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-15 02:03:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:09,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:09,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:09,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:03:09,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-15 02:03:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:09,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:03:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:03:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:09,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:10,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-15 02:03:10,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:10,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-15 02:03:10,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:10,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:10,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:03:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:03:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:10,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:10,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 02:03:10,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:10,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 02:03:10,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:10,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:03:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:03:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:10,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:10,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-15 02:03:10,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:10,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 02:03:10,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:10,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:03:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 02:03:10,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:10,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:10,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:10,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:03:10,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 02:03:10,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:10,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:03:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 02:03:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:11,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:11,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 02:03:11,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:03:11,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:11,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:03:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 02:03:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:11,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:11,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:11,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 02:03:11,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:03:11,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:11,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:03:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 02:03:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:11,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:11,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:11,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 02:03:11,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:03:11,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:03:11,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:11,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:03:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:11,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:03:11,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:11,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 02:03:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:03:11,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:03:11,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:03:11,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:03:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:03:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:03:11,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:03:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:03:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:03:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:03:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:03:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2020-10-15 02:03:12,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078303112] [2020-10-15 02:03:12,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:03:12,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-15 02:03:12,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799679672] [2020-10-15 02:03:12,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-15 02:03:12,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:03:12,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-15 02:03:12,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2020-10-15 02:03:12,477 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand 57 states. [2020-10-15 02:03:18,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:03:18,665 INFO L93 Difference]: Finished difference Result 180 states and 182 transitions. [2020-10-15 02:03:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-15 02:03:18,666 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 189 [2020-10-15 02:03:18,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:03:18,668 INFO L225 Difference]: With dead ends: 180 [2020-10-15 02:03:18,668 INFO L226 Difference]: Without dead ends: 176 [2020-10-15 02:03:18,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 38 SyntacticMatches, 16 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=315, Invalid=11241, Unknown=0, NotChecked=0, Total=11556 [2020-10-15 02:03:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-15 02:03:18,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 102. [2020-10-15 02:03:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-15 02:03:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2020-10-15 02:03:18,680 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 189 [2020-10-15 02:03:18,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:03:18,680 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2020-10-15 02:03:18,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-10-15 02:03:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2020-10-15 02:03:18,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-15 02:03:18,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:03:18,682 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:03:18,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-15 02:03:18,684 INFO L427 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:03:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:03:18,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1837932792, now seen corresponding path program 13 times [2020-10-15 02:03:18,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:03:18,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30888720] [2020-10-15 02:03:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:03:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:03:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking...