/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=BIGGEST --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-simple/fibo_2calls_8-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:22:31,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:22:31,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:22:31,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:22:31,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:22:31,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:22:31,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:22:31,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:22:31,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:22:31,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:22:31,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:22:31,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:22:31,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:22:31,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:22:31,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:22:31,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:22:31,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:22:31,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:22:31,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:22:31,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:22:31,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:22:31,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:22:31,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:22:31,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:22:31,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:22:31,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:22:31,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:22:31,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:22:31,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:22:31,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:22:31,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:22:31,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:22:31,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:22:31,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:22:31,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:22:31,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:22:31,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:22:31,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:22:31,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:22:31,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:22:31,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:22:31,747 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 [2020-10-12 18:22:31,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:22:31,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:22:31,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:22:31,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:22:31,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:22:31,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:22:31,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:22:31,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:22:31,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:22:31,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:22:31,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:22:31,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:22:31,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:22:31,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:22:31,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:22:31,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:22:31,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:22:31,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:22:31,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:22:31,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:22:31,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:22:31,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:22:31,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:22:31,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:22:31,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:22:31,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:22:31,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:22:31,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:22:31,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:22:31,796 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:22:32,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:22:32,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:22:32,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:22:32,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:22:32,101 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:22:32,102 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_8-1.c [2020-10-12 18:22:32,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49f0ab710/157cba4677ca4bf4b4c2723285b5c884/FLAGc08db4646 [2020-10-12 18:22:32,633 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:22:32,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_8-1.c [2020-10-12 18:22:32,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49f0ab710/157cba4677ca4bf4b4c2723285b5c884/FLAGc08db4646 [2020-10-12 18:22:33,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49f0ab710/157cba4677ca4bf4b4c2723285b5c884 [2020-10-12 18:22:33,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:22:33,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:22:33,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:22:33,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:22:33,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:22:33,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457b3941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33, skipping insertion in model container [2020-10-12 18:22:33,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:22:33,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:22:33,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:22:33,216 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:22:33,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:22:33,248 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:22:33,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33 WrapperNode [2020-10-12 18:22:33,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:22:33,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:22:33,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:22:33,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:22:33,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (1/1) ... [2020-10-12 18:22:33,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:22:33,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:22:33,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:22:33,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:22:33,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (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 [2020-10-12 18:22:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:22:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:22:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-12 18:22:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-12 18:22:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:22:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:22:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:22:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-12 18:22:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-12 18:22:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:22:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:22:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:22:33,667 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:22:33,668 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 18:22:33,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:22:33 BoogieIcfgContainer [2020-10-12 18:22:33,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:22:33,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:22:33,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:22:33,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:22:33,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:22:33" (1/3) ... [2020-10-12 18:22:33,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed74f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:22:33, skipping insertion in model container [2020-10-12 18:22:33,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:22:33" (2/3) ... [2020-10-12 18:22:33,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed74f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:22:33, skipping insertion in model container [2020-10-12 18:22:33,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:22:33" (3/3) ... [2020-10-12 18:22:33,700 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_8-1.c [2020-10-12 18:22:33,719 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:22:33,727 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:22:33,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:22:33,764 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:22:33,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:22:33,764 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:22:33,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:22:33,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:22:33,765 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:22:33,765 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:22:33,765 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:22:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-12 18:22:33,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 18:22:33,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:33,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:33,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:33,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:33,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-12 18:22:33,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:33,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124795330] [2020-10-12 18:22:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:33,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:33,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:33,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 18:22:33,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:33,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 18:22:33,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:22:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:34,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:34,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:34,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:34,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:34,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:34,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:34,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:34,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 18:22:34,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:34,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:22:34,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124795330] [2020-10-12 18:22:34,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:22:34,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:22:34,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365236879] [2020-10-12 18:22:34,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:22:34,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:34,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:22:34,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:22:34,164 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-12 18:22:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:34,274 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-12 18:22:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:22:34,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-12 18:22:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:34,288 INFO L225 Difference]: With dead ends: 44 [2020-10-12 18:22:34,289 INFO L226 Difference]: Without dead ends: 30 [2020-10-12 18:22:34,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:22:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-12 18:22:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-12 18:22:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-12 18:22:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-12 18:22:34,343 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-12 18:22:34,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:34,343 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-12 18:22:34,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:22:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-12 18:22:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-12 18:22:34,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:34,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:34,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:22:34,346 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:34,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:34,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-12 18:22:34,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:34,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784482302] [2020-10-12 18:22:34,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:34,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:34,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 18:22:34,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 18:22:34,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:34,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:34,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:34,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:34,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:34,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:34,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:34,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:34,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:34,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 18:22:34,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:22:34,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784482302] [2020-10-12 18:22:34,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:22:34,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:22:34,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546710561] [2020-10-12 18:22:34,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:22:34,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:34,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:22:34,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:22:34,550 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-12 18:22:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:34,625 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-12 18:22:34,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:22:34,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-12 18:22:34,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:34,627 INFO L225 Difference]: With dead ends: 36 [2020-10-12 18:22:34,628 INFO L226 Difference]: Without dead ends: 32 [2020-10-12 18:22:34,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 18:22:34,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-12 18:22:34,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-12 18:22:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-12 18:22:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-12 18:22:34,638 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-12 18:22:34,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:34,638 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-12 18:22:34,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:22:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-12 18:22:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-12 18:22:34,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:34,640 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] [2020-10-12 18:22:34,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:22:34,641 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:34,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:34,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-12 18:22:34,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:34,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087237733] [2020-10-12 18:22:34,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:22:35,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 634 [2020-10-12 18:22:35,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:22:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 18:22:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:35,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:35,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:35,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:35,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 18:22:35,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:22:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:35,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:22:35,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:35,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:35,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:22:35,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:35,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:35,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:35,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:35,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:35,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:22:35,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 18:22:35,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087237733] [2020-10-12 18:22:35,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:22:35,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:22:35,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764564500] [2020-10-12 18:22:35,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:22:35,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:35,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:22:35,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:22:35,580 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-10-12 18:22:35,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:35,740 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-12 18:22:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 18:22:35,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-12 18:22:35,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:35,745 INFO L225 Difference]: With dead ends: 41 [2020-10-12 18:22:35,745 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 18:22:35,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:22:35,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 18:22:35,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-12 18:22:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-12 18:22:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2020-10-12 18:22:35,764 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2020-10-12 18:22:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:35,768 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2020-10-12 18:22:35,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:22:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2020-10-12 18:22:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 18:22:35,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:35,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:35,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:22:35,772 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:35,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:35,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-12 18:22:35,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:35,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186101170] [2020-10-12 18:22:35,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 18:22:36,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:22:36,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-12 18:22:36,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:22:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:22:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 18:22:36,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:36,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:36,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:36,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:36,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:36,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 18:22:36,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 18:22:36,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:22:36,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:22:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 18:22:36,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:36,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:36,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:22:36,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:36,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:36,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:36,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:36,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:36,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:36,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 18:22:36,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:36,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:36,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:36,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 18:22:36,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186101170] [2020-10-12 18:22:36,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:36,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 18:22:36,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598208295] [2020-10-12 18:22:36,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:22:36,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:36,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:22:36,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:22:36,283 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 7 states. [2020-10-12 18:22:36,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:36,409 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-10-12 18:22:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 18:22:36,410 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-12 18:22:36,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:36,413 INFO L225 Difference]: With dead ends: 71 [2020-10-12 18:22:36,413 INFO L226 Difference]: Without dead ends: 42 [2020-10-12 18:22:36,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:22:36,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-12 18:22:36,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-12 18:22:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-12 18:22:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2020-10-12 18:22:36,426 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 28 [2020-10-12 18:22:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:36,427 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-10-12 18:22:36,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:22:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2020-10-12 18:22:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 18:22:36,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:36,430 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:36,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:22:36,430 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:36,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:36,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1428455685, now seen corresponding path program 1 times [2020-10-12 18:22:36,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:36,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181021817] [2020-10-12 18:22:36,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:36,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:39,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:39,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 18:22:39,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:22:39,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3444 [2020-10-12 18:22:39,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:39,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:39,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:39,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 18:22:39,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:39,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:39,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:39,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:39,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:39,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:39,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:39,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:39,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:39,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:39,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:39,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:40,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:22:41,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:22:41,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1408 [2020-10-12 18:22:41,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:22:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 18:22:41,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:41,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:41,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 18:22:41,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:22:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:41,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:22:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:41,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:22:41,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:41,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:41,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:41,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:22:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:41,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:22:41,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:41,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 18:22:41,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181021817] [2020-10-12 18:22:41,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:41,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:22:41,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787751544] [2020-10-12 18:22:41,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:22:41,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:41,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:22:41,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:22:41,534 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand 9 states. [2020-10-12 18:22:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:41,838 INFO L93 Difference]: Finished difference Result 96 states and 148 transitions. [2020-10-12 18:22:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:22:41,838 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-10-12 18:22:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:41,842 INFO L225 Difference]: With dead ends: 96 [2020-10-12 18:22:41,842 INFO L226 Difference]: Without dead ends: 63 [2020-10-12 18:22:41,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-12 18:22:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-12 18:22:41,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2020-10-12 18:22:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-12 18:22:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2020-10-12 18:22:41,857 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 73 transitions. Word has length 40 [2020-10-12 18:22:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:41,858 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 73 transitions. [2020-10-12 18:22:41,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:22:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2020-10-12 18:22:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 18:22:41,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:41,861 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:41,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:22:41,861 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:41,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:41,861 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-10-12 18:22:41,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:41,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419268794] [2020-10-12 18:22:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:41,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:42,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:42,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:22:42,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:42,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-12 18:22:42,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:22:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 18:22:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:42,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:42,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:42,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:42,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:42,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:42,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:42,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:42,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:43,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:22:43,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-12 18:22:43,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:22:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:43,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:43,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:43,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:22:43,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:43,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 18:22:43,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:22:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:22:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:43,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:43,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:43,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:43,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:22:43,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:22:43,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:43,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:22:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:43,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:43,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:43,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:43,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:43,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:43,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:22:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:43,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:43,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:43,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:43,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:43,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:43,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 18:22:43,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419268794] [2020-10-12 18:22:43,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:43,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:22:43,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024291153] [2020-10-12 18:22:43,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:22:43,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:43,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:22:43,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:22:43,389 INFO L87 Difference]: Start difference. First operand 54 states and 73 transitions. Second operand 9 states. [2020-10-12 18:22:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:43,594 INFO L93 Difference]: Finished difference Result 141 states and 225 transitions. [2020-10-12 18:22:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:22:43,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-12 18:22:43,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:43,598 INFO L225 Difference]: With dead ends: 141 [2020-10-12 18:22:43,598 INFO L226 Difference]: Without dead ends: 93 [2020-10-12 18:22:43,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:22:43,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-12 18:22:43,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 83. [2020-10-12 18:22:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-12 18:22:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 123 transitions. [2020-10-12 18:22:43,618 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 123 transitions. Word has length 41 [2020-10-12 18:22:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:43,619 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 123 transitions. [2020-10-12 18:22:43,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:22:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 123 transitions. [2020-10-12 18:22:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-12 18:22:43,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:43,623 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:43,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:22:43,623 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:43,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:43,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1291563674, now seen corresponding path program 1 times [2020-10-12 18:22:43,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:43,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939502176] [2020-10-12 18:22:43,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:43,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:44,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:48,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 18:22:48,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:22:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:22:48,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:22:48,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 18:22:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:48,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:48,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:48,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:48,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:48,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:22:48,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:48,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 18:22:51,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:22:51,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2634 [2020-10-12 18:22:51,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:22:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 18:22:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:51,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 18:22:51,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:22:51,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-12 18:22:51,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:22:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:22:51,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:51,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:51,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:22:51,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 18:22:51,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:51,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:51,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:51,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:22:51,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:51,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:51,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:51,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:22:51,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:22:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:22:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:51,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:22:51,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 18:22:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:51,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:51,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:51,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 18:22:51,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 18:22:52,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939502176] [2020-10-12 18:22:52,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:52,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:22:52,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704291077] [2020-10-12 18:22:52,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:22:52,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:52,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:22:52,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:22:52,006 INFO L87 Difference]: Start difference. First operand 83 states and 123 transitions. Second operand 12 states. [2020-10-12 18:22:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:22:52,511 INFO L93 Difference]: Finished difference Result 187 states and 311 transitions. [2020-10-12 18:22:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 18:22:52,512 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-10-12 18:22:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:22:52,515 INFO L225 Difference]: With dead ends: 187 [2020-10-12 18:22:52,515 INFO L226 Difference]: Without dead ends: 107 [2020-10-12 18:22:52,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2020-10-12 18:22:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-12 18:22:52,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 87. [2020-10-12 18:22:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-12 18:22:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 128 transitions. [2020-10-12 18:22:52,533 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 128 transitions. Word has length 53 [2020-10-12 18:22:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:22:52,533 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 128 transitions. [2020-10-12 18:22:52,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:22:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 128 transitions. [2020-10-12 18:22:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-12 18:22:52,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:22:52,537 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:22:52,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:22:52,537 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:22:52,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:22:52,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1935657390, now seen corresponding path program 1 times [2020-10-12 18:22:52,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:22:52,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341625000] [2020-10-12 18:22:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:22:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:52,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:53,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:53,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:53,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:22:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 18:22:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:57,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:22:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:57,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:57,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:22:57,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:22:57,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:22:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:57,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:22:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:22:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:57,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:57,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 18:22:59,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:22:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1767 [2020-10-12 18:22:59,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:22:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:22:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 18:22:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:22:59,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:22:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-12 18:22:59,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:22:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:22:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:22:59,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 18:22:59,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:22:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:22:59,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:22:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:59,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:59,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:22:59,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:22:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:59,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:22:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:22:59,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:59,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:22:59,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:22:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:59,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:22:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:22:59,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:22:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:22:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 18:22:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:22:59,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:22:59,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:22:59,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:22:59,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:22:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:22:59,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:22:59,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:22:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:22:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:22:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:22:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 18:22:59,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341625000] [2020-10-12 18:22:59,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:22:59,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:22:59,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865849724] [2020-10-12 18:22:59,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:22:59,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:22:59,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:22:59,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:22:59,773 INFO L87 Difference]: Start difference. First operand 87 states and 128 transitions. Second operand 11 states. [2020-10-12 18:23:00,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:00,013 INFO L93 Difference]: Finished difference Result 189 states and 314 transitions. [2020-10-12 18:23:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 18:23:00,014 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-10-12 18:23:00,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:00,016 INFO L225 Difference]: With dead ends: 189 [2020-10-12 18:23:00,016 INFO L226 Difference]: Without dead ends: 108 [2020-10-12 18:23:00,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-10-12 18:23:00,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-12 18:23:00,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 85. [2020-10-12 18:23:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-12 18:23:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2020-10-12 18:23:00,031 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 54 [2020-10-12 18:23:00,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:00,031 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2020-10-12 18:23:00,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:23:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2020-10-12 18:23:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 18:23:00,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:00,034 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:00,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:23:00,034 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:00,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:00,034 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 2 times [2020-10-12 18:23:00,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:00,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309555508] [2020-10-12 18:23:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:00,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:02,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:02,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:23:02,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:23:02,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2916 [2020-10-12 18:23:02,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:23:02,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:02,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:02,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:02,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:02,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:02,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:02,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:02,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:02,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:02,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:02,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:02,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:02,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:02,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:02,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:02,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:02,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:03,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:03,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:03,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:04,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:23:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:23:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1779 [2020-10-12 18:23:04,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:23:04,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:04,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:04,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:04,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:04,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 18:23:04,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:04,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:04,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:04,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:05,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:05,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:05,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 18:23:05,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:05,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:05,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:05,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:05,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:05,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:05,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:05,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:05,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:05,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:05,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:05,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:05,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:05,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:05,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:05,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:05,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:05,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:05,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:05,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:23:05,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 18:23:05,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309555508] [2020-10-12 18:23:05,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:05,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:23:05,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462069421] [2020-10-12 18:23:05,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:23:05,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:05,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:23:05,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:23:05,167 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand 11 states. [2020-10-12 18:23:05,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:05,417 INFO L93 Difference]: Finished difference Result 198 states and 335 transitions. [2020-10-12 18:23:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:23:05,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-10-12 18:23:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:05,419 INFO L225 Difference]: With dead ends: 198 [2020-10-12 18:23:05,419 INFO L226 Difference]: Without dead ends: 110 [2020-10-12 18:23:05,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:23:05,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-12 18:23:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 94. [2020-10-12 18:23:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-12 18:23:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2020-10-12 18:23:05,434 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 55 [2020-10-12 18:23:05,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:05,435 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2020-10-12 18:23:05,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:23:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2020-10-12 18:23:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-12 18:23:05,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:05,437 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:05,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:23:05,437 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:05,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:05,437 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 3 times [2020-10-12 18:23:05,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:05,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592444710] [2020-10-12 18:23:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:05,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:06,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:07,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:10,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 18:23:10,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 18:23:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 18:23:10,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:23:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:23:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:23:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:10,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:10,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:10,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:10,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:10,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:10,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:11,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:13,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:13,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:23:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:16,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:17,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:17,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:23:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2177 [2020-10-12 18:23:17,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:23:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:17,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:17,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:17,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:17,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:17,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 18:23:17,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:17,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:17,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:17,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:17,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:17,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:17,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:17,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:17,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:17,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:17,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:17,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:17,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:17,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:17,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:17,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:17,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:17,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:23:17,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:17,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:17,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:17,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:17,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:17,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:18,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:18,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-12 18:23:18,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:23:18,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:18,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:18,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:18,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:18,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 18:23:18,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:18,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:18,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:18,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:18,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:18,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:18,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:23:18,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:18,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:18,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:18,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:18,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:18,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:18,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:18,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:18,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:18,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:18,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:18,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:18,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:18,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:18,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:18,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:18,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:18,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:18,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 33 proven. 68 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 18:23:18,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592444710] [2020-10-12 18:23:18,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:18,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 18:23:18,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537020105] [2020-10-12 18:23:18,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 18:23:18,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:18,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 18:23:18,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:23:18,411 INFO L87 Difference]: Start difference. First operand 94 states and 144 transitions. Second operand 19 states. [2020-10-12 18:23:18,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:18,953 INFO L93 Difference]: Finished difference Result 213 states and 403 transitions. [2020-10-12 18:23:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 18:23:18,956 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2020-10-12 18:23:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:18,958 INFO L225 Difference]: With dead ends: 213 [2020-10-12 18:23:18,958 INFO L226 Difference]: Without dead ends: 112 [2020-10-12 18:23:18,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=777, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:23:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-12 18:23:18,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2020-10-12 18:23:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-12 18:23:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 150 transitions. [2020-10-12 18:23:18,979 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 150 transitions. Word has length 82 [2020-10-12 18:23:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:18,980 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 150 transitions. [2020-10-12 18:23:18,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 18:23:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2020-10-12 18:23:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-12 18:23:18,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:18,985 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:18,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 18:23:18,986 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:18,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:18,986 INFO L82 PathProgramCache]: Analyzing trace with hash 643857677, now seen corresponding path program 1 times [2020-10-12 18:23:18,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:18,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97376329] [2020-10-12 18:23:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:19,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:22,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:23,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:23,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 18:23:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:24,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:24,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:24,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:24,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:24,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:24,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:24,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:29,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-12 18:23:29,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 18:23:29,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:23:29,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:23:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:23:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 18:23:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:29,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1135 [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:30,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:23:30,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:30,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:30,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:23:30,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:30,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:30,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:30,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:30,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:30,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:30,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:23:30,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:30,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:30,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:23:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:30,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:30,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:30,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 19 proven. 38 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 18:23:30,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97376329] [2020-10-12 18:23:30,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:30,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 18:23:30,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288236160] [2020-10-12 18:23:30,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 18:23:30,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:30,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 18:23:30,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:23:30,445 INFO L87 Difference]: Start difference. First operand 107 states and 150 transitions. Second operand 16 states. [2020-10-12 18:23:30,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:30,922 INFO L93 Difference]: Finished difference Result 194 states and 298 transitions. [2020-10-12 18:23:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 18:23:30,923 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 67 [2020-10-12 18:23:30,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:30,925 INFO L225 Difference]: With dead ends: 194 [2020-10-12 18:23:30,925 INFO L226 Difference]: Without dead ends: 97 [2020-10-12 18:23:30,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2020-10-12 18:23:30,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-12 18:23:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2020-10-12 18:23:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-12 18:23:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 120 transitions. [2020-10-12 18:23:30,935 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 120 transitions. Word has length 67 [2020-10-12 18:23:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:30,935 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 120 transitions. [2020-10-12 18:23:30,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 18:23:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-10-12 18:23:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-12 18:23:30,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:30,937 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:30,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 18:23:30,937 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:30,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:30,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 2 times [2020-10-12 18:23:30,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:30,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774575310] [2020-10-12 18:23:30,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:30,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:31,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:23:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 18:23:35,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:35,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:35,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:35,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:35,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:35,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:35,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:35,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:36,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:40,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:23:40,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 18:23:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:23:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:41,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:41,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-12 18:23:41,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:23:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:41,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:41,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:23:41,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:41,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:41,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:41,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:41,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:41,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:23:41,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:41,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:41,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:41,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:41,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:41,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 18:23:41,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774575310] [2020-10-12 18:23:41,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:41,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:23:41,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890787366] [2020-10-12 18:23:41,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:23:41,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:41,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:23:41,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:23:41,415 INFO L87 Difference]: Start difference. First operand 90 states and 120 transitions. Second operand 9 states. [2020-10-12 18:23:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:41,578 INFO L93 Difference]: Finished difference Result 116 states and 164 transitions. [2020-10-12 18:23:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:23:41,579 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-10-12 18:23:41,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:41,581 INFO L225 Difference]: With dead ends: 116 [2020-10-12 18:23:41,581 INFO L226 Difference]: Without dead ends: 107 [2020-10-12 18:23:41,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:23:41,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-12 18:23:41,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-12 18:23:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-12 18:23:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 146 transitions. [2020-10-12 18:23:41,592 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 146 transitions. Word has length 68 [2020-10-12 18:23:41,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:41,592 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 146 transitions. [2020-10-12 18:23:41,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:23:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2020-10-12 18:23:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-12 18:23:41,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:41,594 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:41,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 18:23:41,594 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:41,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1229769625, now seen corresponding path program 3 times [2020-10-12 18:23:41,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:41,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313503936] [2020-10-12 18:23:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:41,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:41,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:23:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 18:23:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:46,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:46,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:46,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:47,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 18:23:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:51,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:51,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:51,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:23:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:52,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:23:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-12 18:23:52,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:23:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:52,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 18:23:52,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:52,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:23:52,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:52,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:52,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:52,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:52,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:52,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:52,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:52,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:52,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:23:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:52,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:23:52,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:23:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:52,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 18:23:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:52,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:52,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:53,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:23:53,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:23:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-12 18:23:53,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:23:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:23:53,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:23:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:53,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:53,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:23:53,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:23:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:23:53,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:23:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:53,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:23:53,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:23:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:53,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:23:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:23:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:23:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:23:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:53,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:23:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:23:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:23:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:53,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:23:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:53,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:23:53,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:23:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:23:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 74 proven. 63 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-12 18:23:53,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313503936] [2020-10-12 18:23:53,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:23:53,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 18:23:53,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206410454] [2020-10-12 18:23:53,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 18:23:53,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:23:53,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 18:23:53,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:23:53,247 INFO L87 Difference]: Start difference. First operand 107 states and 146 transitions. Second operand 16 states. [2020-10-12 18:23:53,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:23:53,669 INFO L93 Difference]: Finished difference Result 215 states and 331 transitions. [2020-10-12 18:23:53,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 18:23:53,670 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 96 [2020-10-12 18:23:53,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:23:53,672 INFO L225 Difference]: With dead ends: 215 [2020-10-12 18:23:53,672 INFO L226 Difference]: Without dead ends: 118 [2020-10-12 18:23:53,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2020-10-12 18:23:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-12 18:23:53,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2020-10-12 18:23:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-12 18:23:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 151 transitions. [2020-10-12 18:23:53,685 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 151 transitions. Word has length 96 [2020-10-12 18:23:53,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:23:53,686 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 151 transitions. [2020-10-12 18:23:53,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 18:23:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2020-10-12 18:23:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 18:23:53,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:23:53,688 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:23:53,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 18:23:53,688 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:23:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:23:53,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1643058009, now seen corresponding path program 4 times [2020-10-12 18:23:53,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:23:53,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056694090] [2020-10-12 18:23:53,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:23:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:53,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:53,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:58,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-12 18:23:58,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:23:58,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:23:58,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:23:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 18:23:58,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 18:23:58,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:23:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:58,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:23:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:23:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:23:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:23:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:23:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:23:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:23:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:23:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:23:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:23:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:23:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:59,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:23:59,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:02,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:03,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 18:24:03,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 18:24:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:24:03,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:24:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:24:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 18:24:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:03,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:03,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:04,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:04,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:04,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:08,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:24:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:08,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:08,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:08,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:08,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:08,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:08,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 761 [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:24:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:09,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:09,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:09,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 18:24:09,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:24:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:09,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:09,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:09,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:24:09,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:09,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:09,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:09,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:24:09,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:09,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:09,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:09,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:09,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:09,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:09,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:10,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:10,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-12 18:24:10,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:24:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:24:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:24:10,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:10,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:10,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:10,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 18:24:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:24:10,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:24:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:24:10,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:10,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 18:24:10,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:10,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:10,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:10,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:10,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:10,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:10,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:10,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:10,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:10,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:10,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:10,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 85 proven. 165 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-12 18:24:10,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056694090] [2020-10-12 18:24:10,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:24:10,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 18:24:10,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869325591] [2020-10-12 18:24:10,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 18:24:10,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:24:10,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 18:24:10,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:24:10,702 INFO L87 Difference]: Start difference. First operand 113 states and 151 transitions. Second operand 23 states. [2020-10-12 18:24:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:24:11,352 INFO L93 Difference]: Finished difference Result 214 states and 307 transitions. [2020-10-12 18:24:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 18:24:11,353 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 123 [2020-10-12 18:24:11,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:24:11,354 INFO L225 Difference]: With dead ends: 214 [2020-10-12 18:24:11,354 INFO L226 Difference]: Without dead ends: 101 [2020-10-12 18:24:11,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=1267, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 18:24:11,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-12 18:24:11,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 91. [2020-10-12 18:24:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-12 18:24:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 108 transitions. [2020-10-12 18:24:11,365 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 108 transitions. Word has length 123 [2020-10-12 18:24:11,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:24:11,365 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 108 transitions. [2020-10-12 18:24:11,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 18:24:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2020-10-12 18:24:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 18:24:11,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:24:11,367 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:24:11,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 18:24:11,367 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:24:11,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:24:11,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 5 times [2020-10-12 18:24:11,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:24:11,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321155626] [2020-10-12 18:24:11,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:24:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:11,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:11,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:11,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:11,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:11,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:15,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:15,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:16,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:24:16,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:24:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:24:16,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:24:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 18:24:16,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:24:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:16,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:24:16,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:16,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:16,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:16,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:16,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:24:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:16,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:16,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:24:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:24:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:24:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 18:24:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:21,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:21,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:21,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:21,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:21,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:24:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:26,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-12 18:24:26,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:26,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:26,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:26,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:26,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:24:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:26,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:26,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:26,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:26,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:24:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:26,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:24:26,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:24:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:26,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:26,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:26,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:26,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:26,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:26,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:26,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:26,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 27 proven. 106 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2020-10-12 18:24:26,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321155626] [2020-10-12 18:24:26,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:24:26,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:24:26,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716760889] [2020-10-12 18:24:26,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:24:26,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:24:26,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:24:26,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:24:26,801 INFO L87 Difference]: Start difference. First operand 91 states and 108 transitions. Second operand 12 states. [2020-10-12 18:24:27,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:24:27,090 INFO L93 Difference]: Finished difference Result 201 states and 267 transitions. [2020-10-12 18:24:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 18:24:27,091 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-10-12 18:24:27,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:24:27,093 INFO L225 Difference]: With dead ends: 201 [2020-10-12 18:24:27,093 INFO L226 Difference]: Without dead ends: 115 [2020-10-12 18:24:27,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:24:27,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-12 18:24:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 104. [2020-10-12 18:24:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-12 18:24:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2020-10-12 18:24:27,112 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 109 [2020-10-12 18:24:27,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:24:27,113 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2020-10-12 18:24:27,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:24:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2020-10-12 18:24:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 18:24:27,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:24:27,119 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:24:27,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 18:24:27,119 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:24:27,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:24:27,120 INFO L82 PathProgramCache]: Analyzing trace with hash -678687486, now seen corresponding path program 6 times [2020-10-12 18:24:27,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:24:27,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313229977] [2020-10-12 18:24:27,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:24:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:27,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:27,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:32,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-12 18:24:32,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 18:24:32,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:24:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:24:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-12 18:24:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:32,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:24:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:32,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:24:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:32,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:32,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:24:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:32,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:32,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:33,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:33,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:34,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:36,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:24:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-12 18:24:37,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:37,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:37,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:37,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:38,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:38,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:42,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:24:42,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 18:24:42,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 18:24:42,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:24:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:42,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:24:42,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:42,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:42,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:43,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:44,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:47,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:24:47,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-12 18:24:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:24:47,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:24:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:24:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:47,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:47,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:47,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:47,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:47,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-12 18:24:47,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:47,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:47,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:47,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:47,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:47,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:47,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 18:24:47,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:47,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:47,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:47,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:47,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:47,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:47,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:47,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:24:47,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:47,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:24:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:47,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:47,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:47,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:24:47,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:47,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:47,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:47,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:47,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:47,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:47,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:47,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:47,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:48,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 18:24:48,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:48,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:24:48,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:24:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:48,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:48,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:24:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:48,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:48,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:24:48,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:24:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:48,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:48,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:48,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:48,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:48,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:48,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:48,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:48,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:48,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:48,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:48,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:48,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:24:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:48,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:48,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:49,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:49,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:49,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:49,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:53,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:24:53,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:24:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:24:53,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:24:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 18:24:53,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:53,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:24:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:24:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 485 [2020-10-12 18:24:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:24:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:24:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 18:24:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:58,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:58,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:24:58,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:24:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:24:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:24:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:24:58,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:24:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:24:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:58,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:24:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:24:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:24:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:24:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:58,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:58,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:24:58,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:24:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:24:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:24:58,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:58,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:24:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:24:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:24:58,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:24:58,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:58,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:24:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:24:58,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:24:58,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:24:58,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:24:58,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:24:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:24:58,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:24:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:24:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:24:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:24:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:24:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 260 proven. 496 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2020-10-12 18:24:58,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313229977] [2020-10-12 18:24:58,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:24:58,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 18:24:58,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330312043] [2020-10-12 18:24:58,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 18:24:58,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:24:59,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 18:24:59,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2020-10-12 18:24:59,000 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand 28 states. [2020-10-12 18:25:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:00,143 INFO L93 Difference]: Finished difference Result 236 states and 336 transitions. [2020-10-12 18:25:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 18:25:00,144 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 218 [2020-10-12 18:25:00,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:00,147 INFO L225 Difference]: With dead ends: 236 [2020-10-12 18:25:00,147 INFO L226 Difference]: Without dead ends: 137 [2020-10-12 18:25:00,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=325, Invalid=2027, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 18:25:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-12 18:25:00,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 122. [2020-10-12 18:25:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-12 18:25:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 156 transitions. [2020-10-12 18:25:00,180 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 156 transitions. Word has length 218 [2020-10-12 18:25:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:00,181 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 156 transitions. [2020-10-12 18:25:00,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 18:25:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 156 transitions. [2020-10-12 18:25:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-12 18:25:00,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:00,188 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 15, 14, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:00,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 18:25:00,188 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:00,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:00,189 INFO L82 PathProgramCache]: Analyzing trace with hash -657441605, now seen corresponding path program 7 times [2020-10-12 18:25:00,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:00,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105489243] [2020-10-12 18:25:00,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:00,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:00,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:01,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:01,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:01,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:01,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:03,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:04,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:04,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:04,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:05,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 338 [2020-10-12 18:25:05,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-12 18:25:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-12 18:25:05,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:25:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:25:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-12 18:25:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:05,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:05,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:05,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:05,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:05,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:07,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:07,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:09,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:09,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:09,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:09,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:10,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-12 18:25:10,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-12 18:25:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-12 18:25:10,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 18:25:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:25:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-12 18:25:10,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:10,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:10,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:11,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:13,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:14,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:14,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:14,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:14,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:15,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:25:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-12 18:25:15,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:15,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:15,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:15,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:15,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:15,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:15,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:15,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:16,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:17,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:17,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:17,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:17,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:17,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:18,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:18,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:18,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:18,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:19,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:19,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:19,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:19,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:20,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-12 18:25:20,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-12 18:25:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:25:20,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:25:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:25:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 18:25:20,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:20,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:21,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:25:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:25:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:25:25,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:25,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:25:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:25:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:25,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:25:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:25,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:25,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:25,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:25,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:25:25,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 18:25:25,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:25:25,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:25,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:25,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:25:25,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:25:25,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:25,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:25,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:25,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:25:25,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:25,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:25:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:25:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:25,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:25,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:25:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:25:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:25,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:26,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:26,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:25:26,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 18:25:26,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:26,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:25:26,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:26,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:26,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:26,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:25:26,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:25:26,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:25:26,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:26,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:26,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:26,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:25:26,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:25:26,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:26,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:25:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:26,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:26,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:26,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:25:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:25:26,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:25:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:25:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:25:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:26,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:26,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:26,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:26,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:25:26,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:26,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:25:26,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:26,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:26,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:26,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:25:26,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:25:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:25:26,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 18:25:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:26,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:26,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:31,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-12 18:25:31,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:25:31,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 18:25:31,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:25:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:25:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-12 18:25:31,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:31,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:31,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:33,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:33,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:25:36,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:25:36,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:25:36,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:25:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:25:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:25:36,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:25:36,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-12 18:25:36,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:25:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:25:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:36,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:25:36,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 18:25:36,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:36,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:25:36,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:25:36,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:25:36,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:25:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:25:36,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:25:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:36,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:25:36,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:25:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:36,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:25:36,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:25:36,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:25:36,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:25:36,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:25:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:36,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:36,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:25:36,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:25:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:25:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:25:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:25:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:36,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:36,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 18:25:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:25:36,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:25:36,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:25:36,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:36,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:36,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:36,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:25:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:25:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:25:36,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:25:36,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:25:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:36,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:36,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:36,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:25:36,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:36,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:36,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:36,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 293 proven. 779 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2020-10-12 18:25:36,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105489243] [2020-10-12 18:25:36,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:25:36,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 18:25:36,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155945892] [2020-10-12 18:25:36,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 18:25:36,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:25:36,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 18:25:36,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2020-10-12 18:25:36,886 INFO L87 Difference]: Start difference. First operand 122 states and 156 transitions. Second operand 25 states. [2020-10-12 18:25:37,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:25:37,499 INFO L93 Difference]: Finished difference Result 242 states and 318 transitions. [2020-10-12 18:25:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 18:25:37,499 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 258 [2020-10-12 18:25:37,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:25:37,502 INFO L225 Difference]: With dead ends: 242 [2020-10-12 18:25:37,502 INFO L226 Difference]: Without dead ends: 130 [2020-10-12 18:25:37,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=1201, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 18:25:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-12 18:25:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 122. [2020-10-12 18:25:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-12 18:25:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 153 transitions. [2020-10-12 18:25:37,514 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 153 transitions. Word has length 258 [2020-10-12 18:25:37,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:25:37,514 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 153 transitions. [2020-10-12 18:25:37,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 18:25:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 153 transitions. [2020-10-12 18:25:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-10-12 18:25:37,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:25:37,521 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 9, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:25:37,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 18:25:37,522 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:25:37,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:25:37,522 INFO L82 PathProgramCache]: Analyzing trace with hash 520537319, now seen corresponding path program 8 times [2020-10-12 18:25:37,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:25:37,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571691836] [2020-10-12 18:25:37,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:25:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:37,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:37,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:38,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:40,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:40,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:40,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:40,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:40,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 550 [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5108 [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 18:25:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:25:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 296 [2020-10-12 18:25:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:42,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:25:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:42,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:25:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:42,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:25:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:42,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:42,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:43,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:45,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:47,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:47,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 538 [2020-10-12 18:25:47,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 56 [2020-10-12 18:25:47,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5120 [2020-10-12 18:25:47,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:25:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 18:25:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-12 18:25:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:48,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:49,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:51,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:52,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:53,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 450 [2020-10-12 18:25:53,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-12 18:25:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 18:25:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:25:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:25:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-12 18:25:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:53,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:53,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:53,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:56,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:57,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:25:58,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-12 18:25:58,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:25:58,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:25:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:25:58,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:58,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:59,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:25:59,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:03,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:26:03,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:26:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:26:03,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:26:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:26:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:03,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:03,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:26:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:08,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:26:08,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-12 18:26:08,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:26:08,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:26:08,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:08,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:08,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:08,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:08,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:08,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:08,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:08,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:08,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:26:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:08,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:26:08,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:26:08,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:08,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:08,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:08,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:08,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:26:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:08,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:26:08,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:26:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:08,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:08,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:08,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:26:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:08,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:09,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:13,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:26:13,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:26:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:26:13,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:26:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:26:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:13,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:14,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:26:14,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-12 18:26:14,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:26:14,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:26:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:14,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:26:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:26:14,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:26:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:26:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:14,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:14,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:14,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:26:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:14,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:26:14,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:26:14,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:26:14,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:14,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:26:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:26:14,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:26:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:14,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:26:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:14,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 18:26:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:14,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:15,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:19,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-12 18:26:19,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:19,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:20,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:20,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:26:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:24,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:24,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:24,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:29,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:26:29,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:26:29,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4846 [2020-10-12 18:26:29,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:29,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:29,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:29,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:26:29,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:29,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:29,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:30,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:26:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-12 18:26:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:26:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:30,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:26:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 18:26:30,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:26:30,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:26:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:30,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:26:30,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:26:30,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:26:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:30,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:30,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:26:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:26:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:26:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:26:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:30,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:30,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:26:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:30,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:26:30,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:26:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:30,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:26:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:26:30,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:26:30,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:26:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:26:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:30,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:26:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:30,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:30,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:34,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3978 [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:26:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:34,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:34,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:34,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:34,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:34,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:35,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:26:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 731 [2020-10-12 18:26:35,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:26:35,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:26:35,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:35,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:26:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:26:35,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:26:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:26:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:26:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:35,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:35,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:35,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:26:35,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:35,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:26:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:26:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:26:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:26:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:35,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-12 18:26:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-12 18:26:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:26:35,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:26:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:35,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:26:35,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:35,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:35,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:26:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:26:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:26:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:26:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:35,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:35,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:26:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:26:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:26:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:26:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:26:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:26:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:26:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:26:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:26:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5016 backedges. 1093 proven. 1779 refuted. 0 times theorem prover too weak. 2144 trivial. 0 not checked. [2020-10-12 18:26:35,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571691836] [2020-10-12 18:26:35,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:26:35,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 18:26:35,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967306899] [2020-10-12 18:26:35,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 18:26:35,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:26:35,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 18:26:35,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=867, Unknown=0, NotChecked=0, Total=992 [2020-10-12 18:26:35,545 INFO L87 Difference]: Start difference. First operand 122 states and 153 transitions. Second operand 32 states. [2020-10-12 18:26:37,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:26:37,211 INFO L93 Difference]: Finished difference Result 312 states and 477 transitions. [2020-10-12 18:26:37,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 18:26:37,211 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 422 [2020-10-12 18:26:37,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:26:37,216 INFO L225 Difference]: With dead ends: 312 [2020-10-12 18:26:37,216 INFO L226 Difference]: Without dead ends: 192 [2020-10-12 18:26:37,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1142 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=526, Invalid=3634, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 18:26:37,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-12 18:26:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 162. [2020-10-12 18:26:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-12 18:26:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 235 transitions. [2020-10-12 18:26:37,236 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 235 transitions. Word has length 422 [2020-10-12 18:26:37,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:26:37,239 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 235 transitions. [2020-10-12 18:26:37,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 18:26:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 235 transitions. [2020-10-12 18:26:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-12 18:26:37,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:26:37,244 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:26:37,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 18:26:37,244 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:26:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:26:37,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 9 times [2020-10-12 18:26:37,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:26:37,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77830733] [2020-10-12 18:26:37,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:26:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:26:37,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:26:37,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking...