/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=NARROWEST --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_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:59:00,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:59:00,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:59:00,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:59:00,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:59:00,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:59:00,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:59:00,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:59:00,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:59:00,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:59:00,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:59:00,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:59:00,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:59:00,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:59:00,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:59:00,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:59:00,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:59:00,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:59:00,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:59:00,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:59:00,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:59:00,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:59:00,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:59:00,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:59:00,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:59:00,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:59:00,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:59:00,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:59:00,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:59:00,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:59:00,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:59:00,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:59:00,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:59:00,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:59:00,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:59:00,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:59:00,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:59:00,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:59:00,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:59:00,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:59:00,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:59:00,719 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 [2020-10-13 12:59:00,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:59:00,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:59:00,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:59:00,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:59:00,759 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:59:00,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:59:00,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:59:00,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:59:00,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:59:00,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:59:00,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:59:00,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:59:00,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:59:00,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:59:00,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:59:00,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:59:00,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:59:00,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:59:00,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:59:00,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:59:00,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:59:00,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:59:00,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:59:00,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:59:00,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:59:00,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:59:00,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:59:00,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:59:00,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:59:00,765 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:59:01,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:59:01,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:59:01,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:59:01,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:59:01,103 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:59:01,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-10-13 12:59:01,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb58e020b/59b5225ae2484113a6476d56270ad416/FLAG80276eabe [2020-10-13 12:59:01,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:59:01,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-10-13 12:59:01,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb58e020b/59b5225ae2484113a6476d56270ad416/FLAG80276eabe [2020-10-13 12:59:02,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb58e020b/59b5225ae2484113a6476d56270ad416 [2020-10-13 12:59:02,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:59:02,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:59:02,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:59:02,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:59:02,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:59:02,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02, skipping insertion in model container [2020-10-13 12:59:02,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:59:02,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:59:02,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:59:02,257 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:59:02,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:59:02,289 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:59:02,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02 WrapperNode [2020-10-13 12:59:02,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:59:02,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:59:02,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:59:02,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:59:02,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (1/1) ... [2020-10-13 12:59:02,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:59:02,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:59:02,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:59:02,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:59:02,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (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 [2020-10-13 12:59:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:59:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:59:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-13 12:59:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-13 12:59:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:59:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:59:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:59:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-13 12:59:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-13 12:59:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:59:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:59:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:59:02,675 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:59:02,675 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 12:59:02,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:59:02 BoogieIcfgContainer [2020-10-13 12:59:02,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:59:02,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:59:02,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:59:02,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:59:02,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:59:02" (1/3) ... [2020-10-13 12:59:02,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20980b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:59:02, skipping insertion in model container [2020-10-13 12:59:02,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:59:02" (2/3) ... [2020-10-13 12:59:02,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20980b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:59:02, skipping insertion in model container [2020-10-13 12:59:02,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:59:02" (3/3) ... [2020-10-13 12:59:02,688 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-10-13 12:59:02,699 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:59:02,707 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:59:02,722 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:59:02,748 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:59:02,748 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:59:02,748 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:59:02,748 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:59:02,748 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:59:02,748 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:59:02,749 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:59:02,749 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:59:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-13 12:59:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-13 12:59:02,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:02,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:59:02,777 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:02,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-13 12:59:02,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:02,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486846730] [2020-10-13 12:59:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:02,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:02,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:03,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 12:59:03,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:03,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-13 12:59:03,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:59:03,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:59:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:59:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:03,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:03,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:03,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:03,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:03,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:03,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:03,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:03,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:03,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:59:03,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:59:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:59:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:59:03,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486846730] [2020-10-13 12:59:03,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:59:03,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:59:03,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703740093] [2020-10-13 12:59:03,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:59:03,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:03,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:59:03,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:59:03,277 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-13 12:59:03,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:03,334 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2020-10-13 12:59:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:59:03,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-13 12:59:03,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:03,349 INFO L225 Difference]: With dead ends: 47 [2020-10-13 12:59:03,349 INFO L226 Difference]: Without dead ends: 30 [2020-10-13 12:59:03,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:59:03,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-13 12:59:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-13 12:59:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 12:59:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-13 12:59:03,404 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-13 12:59:03,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:03,404 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-13 12:59:03,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:59:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-13 12:59:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-13 12:59:03,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:03,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:59:03,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:59:03,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:03,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:03,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-13 12:59:03,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:03,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865825584] [2020-10-13 12:59:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:03,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:03,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 12:59:03,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:03,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 12:59:03,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:03,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:59:03,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:59:03,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:59:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:03,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:03,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:03,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:03,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:03,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:03,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:03,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:03,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:03,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 12:59:03,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:59:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:03,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:59:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:59:03,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865825584] [2020-10-13 12:59:03,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:59:03,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:59:03,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112301940] [2020-10-13 12:59:03,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:59:03,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:03,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:59:03,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:59:03,749 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-13 12:59:03,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:03,789 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-13 12:59:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:59:03,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-13 12:59:03,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:03,792 INFO L225 Difference]: With dead ends: 36 [2020-10-13 12:59:03,793 INFO L226 Difference]: Without dead ends: 32 [2020-10-13 12:59:03,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:59:03,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-13 12:59:03,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-13 12:59:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 12:59:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-13 12:59:03,804 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-13 12:59:03,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:03,804 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-13 12:59:03,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:59:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-13 12:59:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 12:59:03,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:03,806 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] [2020-10-13 12:59:03,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:59:03,807 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:03,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:03,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-13 12:59:03,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:03,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703903270] [2020-10-13 12:59:03,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:03,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:03,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:04,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:04,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:04,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:59:04,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:59:04,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 948 [2020-10-13 12:59:04,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:59:04,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:04,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:04,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:04,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:04,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:04,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:04,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:04,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:04,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:04,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:04,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:04,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:04,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:04,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:04,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:04,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:04,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 12:59:04,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:04,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:59:04,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:04,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:59:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:04,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:04,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:04,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:04,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:04,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:04,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:59:04,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:04,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:04,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:59:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:04,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:04,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:04,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:04,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:59:04,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:04,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:04,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:04,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:04,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:59:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:59:04,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703903270] [2020-10-13 12:59:04,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:04,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 12:59:04,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571268792] [2020-10-13 12:59:04,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 12:59:04,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:04,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 12:59:04,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 12:59:04,940 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 6 states. [2020-10-13 12:59:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:05,042 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-10-13 12:59:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 12:59:05,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-13 12:59:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:05,044 INFO L225 Difference]: With dead ends: 58 [2020-10-13 12:59:05,044 INFO L226 Difference]: Without dead ends: 34 [2020-10-13 12:59:05,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:59:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-13 12:59:05,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-13 12:59:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-13 12:59:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-13 12:59:05,055 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-10-13 12:59:05,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:05,056 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-13 12:59:05,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 12:59:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-13 12:59:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 12:59:05,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:05,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:59:05,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:59:05,059 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:05,059 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-13 12:59:05,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:05,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758250357] [2020-10-13 12:59:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:05,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 12:59:05,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-13 12:59:05,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 12:59:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:05,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:05,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:05,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:05,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:05,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:05,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:05,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:05,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:05,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:05,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:05,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-13 12:59:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 12:59:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:05,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:05,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:05,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:59:05,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:05,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:05,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:59:05,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:05,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:59:05,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758250357] [2020-10-13 12:59:05,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:59:05,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:59:05,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064604123] [2020-10-13 12:59:05,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:59:05,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:05,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:59:05,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:59:05,696 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-10-13 12:59:05,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:05,822 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-13 12:59:05,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:59:05,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-13 12:59:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:05,825 INFO L225 Difference]: With dead ends: 39 [2020-10-13 12:59:05,825 INFO L226 Difference]: Without dead ends: 35 [2020-10-13 12:59:05,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:59:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-13 12:59:05,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-10-13 12:59:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-13 12:59:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2020-10-13 12:59:05,834 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 27 [2020-10-13 12:59:05,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:05,835 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-10-13 12:59:05,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:59:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-10-13 12:59:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 12:59:05,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:05,837 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] [2020-10-13 12:59:05,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:59:05,837 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:05,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:05,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-13 12:59:05,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:05,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594595037] [2020-10-13 12:59:05,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:05,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:06,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:59:06,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:59:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-13 12:59:06,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 12:59:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:06,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:06,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:06,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:06,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:06,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:06,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:06,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:06,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 12:59:06,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:06,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 12:59:06,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:06,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:06,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:06,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:06,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:59:06,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:06,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:06,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:06,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:06,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:06,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:06,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:59:06,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:06,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:06,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:06,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 12:59:06,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594595037] [2020-10-13 12:59:06,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:59:06,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:59:06,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772296147] [2020-10-13 12:59:06,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:59:06,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:06,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:59:06,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:59:06,540 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand 5 states. [2020-10-13 12:59:06,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:06,626 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2020-10-13 12:59:06,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:59:06,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-13 12:59:06,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:06,628 INFO L225 Difference]: With dead ends: 70 [2020-10-13 12:59:06,628 INFO L226 Difference]: Without dead ends: 43 [2020-10-13 12:59:06,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 12:59:06,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-13 12:59:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2020-10-13 12:59:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-13 12:59:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-13 12:59:06,641 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-13 12:59:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:06,642 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-13 12:59:06,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:59:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-13 12:59:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 12:59:06,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:06,644 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] [2020-10-13 12:59:06,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:59:06,644 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:06,645 INFO L82 PathProgramCache]: Analyzing trace with hash 482300055, now seen corresponding path program 1 times [2020-10-13 12:59:06,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:06,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472925872] [2020-10-13 12:59:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:07,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:11,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:11,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 12:59:11,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:59:11,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 12:59:11,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 12:59:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:11,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:11,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:11,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:11,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:11,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:11,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:11,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:11,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:11,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:11,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 12:59:11,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 12:59:11,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 12:59:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:59:11,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:11,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:11,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:11,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:11,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:11,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:11,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:11,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:11,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:11,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:11,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:11,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:11,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 12:59:11,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:11,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:59:11,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 12:59:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:11,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:12,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:12,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:12,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:59:12,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:12,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:12,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:59:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:12,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:12,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:12,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:12,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:12,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:12,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 12:59:12,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472925872] [2020-10-13 12:59:12,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:12,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 12:59:12,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7081314] [2020-10-13 12:59:12,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 12:59:12,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:12,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 12:59:12,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 12:59:12,061 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 6 states. [2020-10-13 12:59:12,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:12,205 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2020-10-13 12:59:12,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 12:59:12,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-13 12:59:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:12,208 INFO L225 Difference]: With dead ends: 70 [2020-10-13 12:59:12,209 INFO L226 Difference]: Without dead ends: 39 [2020-10-13 12:59:12,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:59:12,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-13 12:59:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-13 12:59:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-13 12:59:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-10-13 12:59:12,237 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 40 [2020-10-13 12:59:12,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:12,240 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-10-13 12:59:12,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 12:59:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-10-13 12:59:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 12:59:12,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:12,247 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] [2020-10-13 12:59:12,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:59:12,250 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:12,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:12,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1870215323, now seen corresponding path program 1 times [2020-10-13 12:59:12,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:12,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182969855] [2020-10-13 12:59:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:12,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:12,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:15,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:15,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 12:59:15,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 12:59:15,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3407 [2020-10-13 12:59:15,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:15,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:15,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 12:59:15,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:15,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:15,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:15,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:15,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:15,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:15,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:15,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:15,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:15,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:15,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:15,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:15,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:15,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:15,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:15,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:15,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:16,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:59:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-10-13 12:59:16,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:16,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:16,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:16,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:59:16,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:16,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:16,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:16,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:16,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:16,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 12:59:16,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 12:59:16,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:16,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:16,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:16,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:16,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:16,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:59:16,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:16,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:16,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:16,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:16,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:16,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:16,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:16,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:16,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:16,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:16,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:16,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:16,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:16,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:16,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 12:59:16,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182969855] [2020-10-13 12:59:16,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:16,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 12:59:16,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272229124] [2020-10-13 12:59:16,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:59:16,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:16,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:59:16,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:59:16,973 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 10 states. [2020-10-13 12:59:17,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:17,215 INFO L93 Difference]: Finished difference Result 85 states and 126 transitions. [2020-10-13 12:59:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:59:17,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-13 12:59:17,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:17,218 INFO L225 Difference]: With dead ends: 85 [2020-10-13 12:59:17,218 INFO L226 Difference]: Without dead ends: 52 [2020-10-13 12:59:17,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:59:17,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-13 12:59:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2020-10-13 12:59:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-13 12:59:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2020-10-13 12:59:17,230 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 41 [2020-10-13 12:59:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:17,230 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2020-10-13 12:59:17,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:59:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2020-10-13 12:59:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 12:59:17,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:17,232 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] [2020-10-13 12:59:17,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:59:17,233 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:17,233 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 2 times [2020-10-13 12:59:17,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:17,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818246678] [2020-10-13 12:59:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:17,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:17,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:17,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:18,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:18,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 12:59:18,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:59:18,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1212 [2020-10-13 12:59:18,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 12:59:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 12:59:18,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:18,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:18,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:18,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:18,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:59:18,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:18,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:18,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:18,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:18,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:18,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:19,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:19,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 601 [2020-10-13 12:59:19,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 12:59:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:19,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:19,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:19,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 12:59:19,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:19,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:59:19,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:19,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:19,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:19,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:19,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:59:19,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:19,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:19,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:19,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:19,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:19,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:19,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:19,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:19,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 12:59:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:19,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:19,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:19,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:19,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:19,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:19,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 12:59:19,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818246678] [2020-10-13 12:59:19,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:19,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 12:59:19,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069144810] [2020-10-13 12:59:19,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:59:19,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:19,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:59:19,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:59:19,292 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 9 states. [2020-10-13 12:59:19,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:19,514 INFO L93 Difference]: Finished difference Result 90 states and 138 transitions. [2020-10-13 12:59:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:59:19,515 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-13 12:59:19,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:19,517 INFO L225 Difference]: With dead ends: 90 [2020-10-13 12:59:19,517 INFO L226 Difference]: Without dead ends: 86 [2020-10-13 12:59:19,518 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 [2020-10-13 12:59:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-13 12:59:19,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2020-10-13 12:59:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-13 12:59:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2020-10-13 12:59:19,534 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 41 [2020-10-13 12:59:19,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:19,534 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2020-10-13 12:59:19,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:59:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2020-10-13 12:59:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-13 12:59:19,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:19,537 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] [2020-10-13 12:59:19,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:59:19,538 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:19,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:19,538 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-10-13 12:59:19,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:19,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117976709] [2020-10-13 12:59:19,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:19,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:19,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:20,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:20,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:20,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:24,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 12:59:24,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 12:59:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 12:59:24,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:59:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 12:59:24,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:24,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:24,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:24,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:24,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:24,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:24,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:24,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:24,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:24,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:24,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:24,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:24,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:25,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:25,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:25,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:26,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:26,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:28,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:29,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 12:59:29,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 12:59:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 12:59:29,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:59:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:59:29,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:29,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 12:59:29,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:59:29,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 12:59:29,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:59:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:29,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:59:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:29,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:29,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:29,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:29,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:29,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 12:59:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:30,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:30,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:30,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:30,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:59:30,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:30,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:30,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:30,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:30,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:30,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:30,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 12:59:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:30,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:30,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:30,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:30,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:30,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:59:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:30,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:30,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:30,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:59:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 12:59:30,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117976709] [2020-10-13 12:59:30,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:30,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 12:59:30,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404035514] [2020-10-13 12:59:30,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:59:30,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:30,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:59:30,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:59:30,140 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand 10 states. [2020-10-13 12:59:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:30,436 INFO L93 Difference]: Finished difference Result 158 states and 294 transitions. [2020-10-13 12:59:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:59:30,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-13 12:59:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:30,439 INFO L225 Difference]: With dead ends: 158 [2020-10-13 12:59:30,439 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 12:59:30,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:59:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 12:59:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 84. [2020-10-13 12:59:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-13 12:59:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 130 transitions. [2020-10-13 12:59:30,455 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 130 transitions. Word has length 54 [2020-10-13 12:59:30,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:30,456 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 130 transitions. [2020-10-13 12:59:30,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:59:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-10-13 12:59:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 12:59:30,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:30,458 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] [2020-10-13 12:59:30,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:59:30,458 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:30,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:30,459 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-10-13 12:59:30,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:30,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820381140] [2020-10-13 12:59:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:30,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:30,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:32,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:35,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 12:59:35,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 12:59:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 12:59:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:59:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 12:59:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:35,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:35,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:35,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:59:35,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:35,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:35,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:35,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:35,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:35,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:35,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:35,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 12:59:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:36,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:36,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:36,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:59:36,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-13 12:59:36,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:36,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 12:59:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:36,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:36,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:36,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:36,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:36,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 12:59:36,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:59:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:36,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:36,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:36,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:36,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:59:36,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:36,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:36,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:36,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:36,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:36,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:36,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:36,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 12:59:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:36,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:36,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:36,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:36,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:36,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:36,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:36,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:59:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:37,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:37,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:37,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:59:37,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 12:59:37,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820381140] [2020-10-13 12:59:37,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:37,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 12:59:37,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654998940] [2020-10-13 12:59:37,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 12:59:37,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:37,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 12:59:37,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:59:37,041 INFO L87 Difference]: Start difference. First operand 84 states and 130 transitions. Second operand 11 states. [2020-10-13 12:59:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:37,355 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2020-10-13 12:59:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 12:59:37,356 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-10-13 12:59:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:37,360 INFO L225 Difference]: With dead ends: 173 [2020-10-13 12:59:37,361 INFO L226 Difference]: Without dead ends: 99 [2020-10-13 12:59:37,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-13 12:59:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-13 12:59:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 93. [2020-10-13 12:59:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-13 12:59:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 150 transitions. [2020-10-13 12:59:37,391 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 150 transitions. Word has length 55 [2020-10-13 12:59:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:37,392 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 150 transitions. [2020-10-13 12:59:37,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 12:59:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 150 transitions. [2020-10-13 12:59:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 12:59:37,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:37,394 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] [2020-10-13 12:59:37,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:59:37,395 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:37,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:37,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1362646544, now seen corresponding path program 2 times [2020-10-13 12:59:37,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:37,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982383446] [2020-10-13 12:59:37,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:37,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:37,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:39,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:39,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:39,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:39,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:39,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:42,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:42,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:42,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:42,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:42,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:42,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:42,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:59:42,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:42,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:42,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:42,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:42,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:42,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:42,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:59:47,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 12:59:47,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 12:59:47,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 12:59:47,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:47,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:59:47,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:47,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:59:47,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:47,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:47,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:47,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:47,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 12:59:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:47,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:47,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:59:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:59:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:47,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:59:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:59:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 12:59:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:47,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:47,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:47,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:47,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:47,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:47,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:47,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-13 12:59:47,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982383446] [2020-10-13 12:59:47,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:47,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 12:59:47,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369140219] [2020-10-13 12:59:47,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:59:47,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:47,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:59:47,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:59:47,661 INFO L87 Difference]: Start difference. First operand 93 states and 150 transitions. Second operand 7 states. [2020-10-13 12:59:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:47,796 INFO L93 Difference]: Finished difference Result 175 states and 319 transitions. [2020-10-13 12:59:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:59:47,801 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-10-13 12:59:47,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:47,803 INFO L225 Difference]: With dead ends: 175 [2020-10-13 12:59:47,803 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 12:59:47,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:59:47,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 12:59:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-13 12:59:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-13 12:59:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 140 transitions. [2020-10-13 12:59:47,833 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 140 transitions. Word has length 82 [2020-10-13 12:59:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:59:47,833 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 140 transitions. [2020-10-13 12:59:47,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:59:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 140 transitions. [2020-10-13 12:59:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 12:59:47,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:59:47,838 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] [2020-10-13 12:59:47,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:59:47,841 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:59:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:59:47,842 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 3 times [2020-10-13 12:59:47,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:59:47,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606013235] [2020-10-13 12:59:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:59:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:47,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:49,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:59:52,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 12:59:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:52,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:59:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:52,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:52,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:52,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:59:52,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:59:52,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:59:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:59:52,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 12:59:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:52,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:53,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:57,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 12:59:57,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:57,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:57,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:57,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:58,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:58,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:58,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-13 12:59:58,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:58,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:58,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:58,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 12:59:58,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:58,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:58,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:58,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:58,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:59:58,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 12:59:58,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 12:59:58,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:58,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:58,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:59:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:59:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:58,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:58,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:58,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:58,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:58,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:58,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:58,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 12:59:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:58,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:58,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:58,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:58,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:58,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:58,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:59:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:58,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 12:59:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:59:58,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-13 12:59:58,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:59:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 12:59:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 12:59:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:59,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:59,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:59,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:59,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 12:59:59,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:59:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 12:59:59,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:59:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:59,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 12:59:59,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:59,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 12:59:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:59,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:59,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:59,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:59,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:59,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:59:59,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:59,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:59:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:59,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:59,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:59,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:59:59,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:59,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:59:59,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:59:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:59,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 12:59:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:59:59,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:59:59,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:59:59,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 12:59:59,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:59:59,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:59:59,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:59:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:59:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:59:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:59:59,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:59:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 31 proven. 59 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-13 12:59:59,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606013235] [2020-10-13 12:59:59,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:59:59,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 12:59:59,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714276491] [2020-10-13 12:59:59,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 12:59:59,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:59:59,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 12:59:59,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-13 12:59:59,163 INFO L87 Difference]: Start difference. First operand 93 states and 140 transitions. Second operand 16 states. [2020-10-13 12:59:59,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:59:59,981 INFO L93 Difference]: Finished difference Result 220 states and 379 transitions. [2020-10-13 12:59:59,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 12:59:59,985 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 82 [2020-10-13 12:59:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:59:59,989 INFO L225 Difference]: With dead ends: 220 [2020-10-13 12:59:59,990 INFO L226 Difference]: Without dead ends: 137 [2020-10-13 12:59:59,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2020-10-13 12:59:59,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-13 13:00:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 116. [2020-10-13 13:00:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-13 13:00:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2020-10-13 13:00:00,005 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 82 [2020-10-13 13:00:00,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:00:00,006 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2020-10-13 13:00:00,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 13:00:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2020-10-13 13:00:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 13:00:00,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:00:00,008 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] [2020-10-13 13:00:00,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:00:00,008 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:00:00,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:00:00,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 1 times [2020-10-13 13:00:00,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:00:00,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308914016] [2020-10-13 13:00:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:00:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:00,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:00,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:00,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:00,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:00,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:05,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:00:05,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:00:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:05,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:05,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:00:05,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:05,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:05,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:05,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:05,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:00:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:05,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:05,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:05,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:05,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:00:10,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:00:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:00:10,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:00:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:00:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:00:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:00:10,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:00:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-13 13:00:10,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:00:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:00:10,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:00:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:00:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:00:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:10,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:10,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:00:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:00:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:10,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:10,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:00:10,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:10,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:00:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:10,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:10,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:10,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:10,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 11 proven. 39 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 13:00:10,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308914016] [2020-10-13 13:00:10,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:00:10,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 13:00:10,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188878512] [2020-10-13 13:00:10,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 13:00:10,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:00:10,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 13:00:10,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:00:10,502 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 10 states. [2020-10-13 13:00:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:00:10,722 INFO L93 Difference]: Finished difference Result 159 states and 255 transitions. [2020-10-13 13:00:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:00:10,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-10-13 13:00:10,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:00:10,730 INFO L225 Difference]: With dead ends: 159 [2020-10-13 13:00:10,730 INFO L226 Difference]: Without dead ends: 148 [2020-10-13 13:00:10,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:00:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-13 13:00:10,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2020-10-13 13:00:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-13 13:00:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 227 transitions. [2020-10-13 13:00:10,770 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 227 transitions. Word has length 68 [2020-10-13 13:00:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:00:10,771 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 227 transitions. [2020-10-13 13:00:10,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 13:00:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 227 transitions. [2020-10-13 13:00:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 13:00:10,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:00:10,777 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:00:10,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:00:10,778 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:00:10,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:00:10,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1691706009, now seen corresponding path program 2 times [2020-10-13 13:00:10,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:00:10,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969468193] [2020-10-13 13:00:10,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:00:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:10,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:11,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:11,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:11,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:15,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:00:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:15,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:00:15,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:15,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:15,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:15,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:15,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:00:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:15,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:15,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:16,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:17,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:18,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 13:00:20,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:20,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:00:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:00:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1663 [2020-10-13 13:00:22,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:00:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:00:22,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 13:00:22,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:22,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:22,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:00:22,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:00:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-13 13:00:22,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:00:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:00:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:22,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:22,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:22,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:00:22,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:00:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:22,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:22,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:22,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:22,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:22,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:22,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:23,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:23,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:23,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:23,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:00:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:00:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:23,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:00:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:00:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:00:23,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 13:00:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:00:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:00:23,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 13:00:23,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:23,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:23,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 43 proven. 46 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-13 13:00:23,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969468193] [2020-10-13 13:00:23,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:00:23,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 13:00:23,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951497066] [2020-10-13 13:00:23,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 13:00:23,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:00:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 13:00:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:00:23,094 INFO L87 Difference]: Start difference. First operand 142 states and 227 transitions. Second operand 10 states. [2020-10-13 13:00:23,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:00:23,325 INFO L93 Difference]: Finished difference Result 312 states and 601 transitions. [2020-10-13 13:00:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:00:23,325 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-10-13 13:00:23,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:00:23,329 INFO L225 Difference]: With dead ends: 312 [2020-10-13 13:00:23,329 INFO L226 Difference]: Without dead ends: 182 [2020-10-13 13:00:23,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:00:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-13 13:00:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-10-13 13:00:23,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-13 13:00:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 338 transitions. [2020-10-13 13:00:23,352 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 338 transitions. Word has length 95 [2020-10-13 13:00:23,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:00:23,352 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 338 transitions. [2020-10-13 13:00:23,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 13:00:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 338 transitions. [2020-10-13 13:00:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 13:00:23,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:00:23,355 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:00:23,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:00:23,356 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:00:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:00:23,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1303963797, now seen corresponding path program 3 times [2020-10-13 13:00:23,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:00:23,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733510091] [2020-10-13 13:00:23,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:00:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:23,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:24,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:25,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:28,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 13:00:28,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-13 13:00:28,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 13:00:28,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:00:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:00:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:28,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:00:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:00:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:28,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:00:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:31,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:33,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:33,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 13:00:33,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 13:00:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:00:33,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:33,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:00:33,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 13:00:33,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:33,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:33,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:33,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:33,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:00:34,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:00:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 719 [2020-10-13 13:00:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:00:34,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:34,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:00:34,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:34,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:34,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:34,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:34,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:34,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:34,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:34,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:34,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:34,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:34,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:00:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:34,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:34,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:34,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:34,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:34,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 13:00:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:34,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:34,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:38,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:38,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:39,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 13:00:39,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 13:00:39,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:00:39,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:00:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:00:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:39,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:00:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:00:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1742 [2020-10-13 13:00:40,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:00:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:00:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:40,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:40,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:40,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:40,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:40,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:00:40,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:41,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:00:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:00:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:00:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:00:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:41,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:00:41,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:41,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:00:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:41,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:00:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:41,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:41,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:41,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:00:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 13:00:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:41,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:41,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:00:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 141 proven. 30 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-10-13 13:00:41,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733510091] [2020-10-13 13:00:41,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:00:41,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 13:00:41,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14632117] [2020-10-13 13:00:41,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:00:41,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:00:41,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:00:41,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:00:41,170 INFO L87 Difference]: Start difference. First operand 182 states and 338 transitions. Second operand 12 states. [2020-10-13 13:00:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:00:41,462 INFO L93 Difference]: Finished difference Result 380 states and 861 transitions. [2020-10-13 13:00:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:00:41,466 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-13 13:00:41,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:00:41,469 INFO L225 Difference]: With dead ends: 380 [2020-10-13 13:00:41,469 INFO L226 Difference]: Without dead ends: 128 [2020-10-13 13:00:41,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:00:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-13 13:00:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2020-10-13 13:00:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-13 13:00:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 208 transitions. [2020-10-13 13:00:41,491 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 208 transitions. Word has length 122 [2020-10-13 13:00:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:00:41,492 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 208 transitions. [2020-10-13 13:00:41,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:00:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 208 transitions. [2020-10-13 13:00:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 13:00:41,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:00:41,497 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:00:41,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 13:00:41,498 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:00:41,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:00:41,498 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 4 times [2020-10-13 13:00:41,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:00:41,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678404355] [2020-10-13 13:00:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:00:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:41,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:42,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:45,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:46,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:00:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:46,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:00:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:46,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:47,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:48,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:51,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:51,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 13:00:51,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 13:00:51,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 13:00:51,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:00:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:00:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:00:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:51,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:51,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:51,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:51,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:51,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:00:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:00:52,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:00:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-13 13:00:52,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:00:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:00:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:52,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:00:52,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:00:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:00:52,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:52,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:52,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:52,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:52,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:52,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:52,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:52,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:00:52,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:00:52,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:00:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:52,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:00:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:00:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:52,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:52,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:00:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:00:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:00:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:00:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 13:00:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:52,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:52,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:00:53,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:00:53,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 680 [2020-10-13 13:00:53,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 13:00:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:00:53,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:53,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:53,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:00:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:53,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:53,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:00:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:00:53,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:53,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:00:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:53,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:53,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:53,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:00:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:53,060 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 51 proven. 65 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-10-13 13:00:53,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678404355] [2020-10-13 13:00:53,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:00:53,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 13:00:53,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553007015] [2020-10-13 13:00:53,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 13:00:53,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:00:53,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 13:00:53,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:00:53,062 INFO L87 Difference]: Start difference. First operand 125 states and 208 transitions. Second operand 10 states. [2020-10-13 13:00:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:00:53,369 INFO L93 Difference]: Finished difference Result 255 states and 505 transitions. [2020-10-13 13:00:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:00:53,370 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-13 13:00:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:00:53,373 INFO L225 Difference]: With dead ends: 255 [2020-10-13 13:00:53,373 INFO L226 Difference]: Without dead ends: 140 [2020-10-13 13:00:53,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-13 13:00:53,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-13 13:00:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 132. [2020-10-13 13:00:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-13 13:00:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 225 transitions. [2020-10-13 13:00:53,395 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 225 transitions. Word has length 110 [2020-10-13 13:00:53,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:00:53,395 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 225 transitions. [2020-10-13 13:00:53,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 13:00:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 225 transitions. [2020-10-13 13:00:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 13:00:53,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:00:53,398 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:00:53,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 13:00:53,399 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:00:53,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:00:53,399 INFO L82 PathProgramCache]: Analyzing trace with hash 2011292190, now seen corresponding path program 3 times [2020-10-13 13:00:53,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:00:53,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13605701] [2020-10-13 13:00:53,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:00:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:53,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:54,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:55,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:55,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:55,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:58,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 13:00:58,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 13:00:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 13:00:58,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:00:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:00:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:00:58,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:00:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:58,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:00:58,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:00:58,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:00:58,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:00:58,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:00:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:00:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:00:58,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:00:58,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:00:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:00:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:00:58,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:58,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:59,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:59,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:00:59,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:00,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:00,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:00,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:00,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:01,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:02,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:01:03,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-13 13:01:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 13:01:03,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:01:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:01:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:01:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:03,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:03,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:08,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:08,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:01:08,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-13 13:01:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:01:08,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:01:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:08,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:01:08,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:08,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:08,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:08,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:08,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:08,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:08,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:01:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:01:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-13 13:01:09,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:01:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:01:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:09,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:01:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 13:01:09,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:01:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:01:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:09,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:09,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:09,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:09,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:09,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:09,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:01:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:01:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:09,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:01:09,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:09,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:09,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:01:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:09,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:01:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 13:01:09,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:01:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:01:09,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:09,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:01:09,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:01:09,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:01:09,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:01:09,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:09,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:01:09,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:01:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:09,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:14,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:01:14,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:01:14,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:01:14,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:01:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:01:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:01:14,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:14,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:01:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:14,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:14,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:14,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:15,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:01:15,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 13:01:15,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:01:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:01:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:15,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:01:15,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:15,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:15,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:15,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:01:15,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:01:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:15,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:15,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:15,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:01:15,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:15,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:15,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:01:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:15,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:01:15,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:01:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:15,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:15,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:15,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:15,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:15,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:01:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 82 proven. 204 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-10-13 13:01:15,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13605701] [2020-10-13 13:01:15,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:01:15,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 13:01:15,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376976270] [2020-10-13 13:01:15,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 13:01:15,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:01:15,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 13:01:15,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-10-13 13:01:15,304 INFO L87 Difference]: Start difference. First operand 132 states and 225 transitions. Second operand 23 states. [2020-10-13 13:01:16,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:01:16,542 INFO L93 Difference]: Finished difference Result 272 states and 517 transitions. [2020-10-13 13:01:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-13 13:01:16,543 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 136 [2020-10-13 13:01:16,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:01:16,545 INFO L225 Difference]: With dead ends: 272 [2020-10-13 13:01:16,545 INFO L226 Difference]: Without dead ends: 127 [2020-10-13 13:01:16,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=259, Invalid=1463, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 13:01:16,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-13 13:01:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2020-10-13 13:01:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-13 13:01:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 156 transitions. [2020-10-13 13:01:16,562 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 156 transitions. Word has length 136 [2020-10-13 13:01:16,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:01:16,563 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 156 transitions. [2020-10-13 13:01:16,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 13:01:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2020-10-13 13:01:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 13:01:16,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:01:16,566 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:01:16,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 13:01:16,567 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:01:16,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:01:16,567 INFO L82 PathProgramCache]: Analyzing trace with hash 436631574, now seen corresponding path program 4 times [2020-10-13 13:01:16,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:01:16,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125060209] [2020-10-13 13:01:16,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:01:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:16,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:17,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:17,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:21,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-13 13:01:21,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:01:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 13:01:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:01:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:01:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:01:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:01:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:21,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:21,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:01:21,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:21,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:21,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:21,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:01:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:21,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:21,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:22,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:22,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:22,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:23,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:26,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:26,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-13 13:01:26,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:01:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 13:01:26,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:01:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:01:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:01:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:26,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:26,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:26,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:26,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:26,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:26,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:01:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:01:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 13:01:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:01:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:01:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:01:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:31,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:31,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:31,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:32,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:36,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:36,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:01:36,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:01:36,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:01:36,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:01:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:01:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:36,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:36,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:36,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:36,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:01:37,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:01:37,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-10-13 13:01:37,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:01:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:01:37,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:37,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:01:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 13:01:37,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:01:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:01:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:37,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:37,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:37,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:37,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:37,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:01:37,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:01:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:37,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:01:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:37,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:01:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 13:01:37,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:01:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:01:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:37,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:37,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:01:37,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:01:37,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:01:37,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:37,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:37,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:37,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:37,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:37,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:37,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:37,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:01:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:01:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:37,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:37,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:40,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3123 [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:01:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:01:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:40,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:40,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:40,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:40,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:40,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:01:41,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:01:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-13 13:01:41,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:01:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:01:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:41,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:01:41,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 13:01:41,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:01:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:01:41,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:41,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:01:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:01:41,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:01:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:01:41,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:41,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:41,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:01:41,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:01:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:41,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:41,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:41,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:01:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:01:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:41,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:01:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:01:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:01:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:41,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:41,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:41,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 13:01:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:41,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:42,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:42,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:01:46,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 13:01:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:01:46,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 13:01:46,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:01:46,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:01:46,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:01:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:01:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:01:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:01:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:46,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:46,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 172 proven. 443 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2020-10-13 13:01:46,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125060209] [2020-10-13 13:01:46,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:01:46,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-13 13:01:46,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387169347] [2020-10-13 13:01:46,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 13:01:46,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:01:46,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 13:01:46,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:01:46,728 INFO L87 Difference]: Start difference. First operand 117 states and 156 transitions. Second operand 19 states. [2020-10-13 13:01:47,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:01:47,227 INFO L93 Difference]: Finished difference Result 252 states and 387 transitions. [2020-10-13 13:01:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:01:47,227 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 217 [2020-10-13 13:01:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:01:47,229 INFO L225 Difference]: With dead ends: 252 [2020-10-13 13:01:47,230 INFO L226 Difference]: Without dead ends: 142 [2020-10-13 13:01:47,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2020-10-13 13:01:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-13 13:01:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 132. [2020-10-13 13:01:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-13 13:01:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2020-10-13 13:01:47,246 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 217 [2020-10-13 13:01:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:01:47,246 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2020-10-13 13:01:47,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 13:01:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2020-10-13 13:01:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 13:01:47,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:01:47,250 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:01:47,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 13:01:47,250 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:01:47,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:01:47,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2136856445, now seen corresponding path program 5 times [2020-10-13 13:01:47,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:01:47,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280794697] [2020-10-13 13:01:47,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:01:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:47,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:48,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:48,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:48,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:52,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 13:01:52,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 13:01:52,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 13:01:52,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:01:52,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:01:52,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:01:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:01:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:52,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:01:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:52,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:01:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:52,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:55,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:57,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:01:57,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-13 13:01:57,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-13 13:01:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 13:01:57,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:01:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:01:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:01:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:01:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:01:57,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:01:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:01:57,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:57,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:57,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:57,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:58,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:01:59,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:00,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:00,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:02:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:02,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:02,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:02,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:03,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:02:07,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:02:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:02:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:02:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:02:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:07,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:02:07,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:02:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:07,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:02:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:07,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:02:07,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:02:07,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:02:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:02:07,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:02:07,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:02:07,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:02:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:02:07,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:07,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:02:07,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:02:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:02:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:02:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:02:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:02:07,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:02:07,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:02:07,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:07,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:07,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:02:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 13:02:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:02:07,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 13:02:07,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 13:02:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:02:07,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:02:07,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:07,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:02:07,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:07,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:02:07,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:02:07,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:07,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:02:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:02:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:02:07,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:02:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:07,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:02:07,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:02:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:07,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:02:07,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:07,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:02:07,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:02:07,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:02:07,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:07,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:07,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:07,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:07,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 129 proven. 250 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2020-10-13 13:02:07,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280794697] [2020-10-13 13:02:07,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:02:07,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 13:02:07,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965437916] [2020-10-13 13:02:07,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:02:07,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:02:07,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:02:07,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:02:07,820 INFO L87 Difference]: Start difference. First operand 132 states and 181 transitions. Second operand 13 states. [2020-10-13 13:02:08,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:02:08,172 INFO L93 Difference]: Finished difference Result 243 states and 350 transitions. [2020-10-13 13:02:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 13:02:08,172 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2020-10-13 13:02:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:02:08,175 INFO L225 Difference]: With dead ends: 243 [2020-10-13 13:02:08,175 INFO L226 Difference]: Without dead ends: 125 [2020-10-13 13:02:08,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:02:08,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-13 13:02:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2020-10-13 13:02:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-13 13:02:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2020-10-13 13:02:08,193 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 204 [2020-10-13 13:02:08,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:02:08,193 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2020-10-13 13:02:08,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:02:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2020-10-13 13:02:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 13:02:08,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:02:08,196 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:02:08,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 13:02:08,196 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:02:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:02:08,196 INFO L82 PathProgramCache]: Analyzing trace with hash -529934979, now seen corresponding path program 6 times [2020-10-13 13:02:08,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:02:08,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819753646] [2020-10-13 13:02:08,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:02:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:08,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:08,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:08,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:08,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:08,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:08,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:09,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:09,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:09,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:09,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:09,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:11,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:13,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-13 13:02:13,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:02:13,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 13:02:13,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:13,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:02:13,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:02:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:02:13,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:02:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:13,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:02:13,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:13,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:13,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:02:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:13,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:13,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:14,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:14,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:02:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:02:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:02:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:18,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:18,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:23,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:02:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:23,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:24,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:24,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:24,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:25,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:25,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:25,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:28,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:02:28,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 13:02:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:02:28,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:02:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:02:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:28,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:28,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:28,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:02:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-13 13:02:28,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:02:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:28,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:02:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:28,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:28,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:28,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:28,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:02:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 13:02:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:02:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:02:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:02:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:02:29,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:02:29,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:02:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:02:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:29,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:02:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:02:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:02:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 13:02:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:02:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:02:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:02:29,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:02:29,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:29,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:29,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:02:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:02:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:02:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:29,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:29,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:02:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:29,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:02:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-13 13:02:29,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:02:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:02:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:02:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:29,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:02:29,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 13:02:29,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:02:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:02:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:02:29,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:02:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:02:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:29,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:02:29,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:02:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:29,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:29,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:29,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:02:29,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:29,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:02:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 133 proven. 204 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-10-13 13:02:29,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819753646] [2020-10-13 13:02:29,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:02:29,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-13 13:02:29,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835237195] [2020-10-13 13:02:29,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-13 13:02:29,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:02:29,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-13 13:02:29,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2020-10-13 13:02:29,715 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand 24 states. [2020-10-13 13:02:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:02:30,379 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-10-13 13:02:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 13:02:30,380 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 150 [2020-10-13 13:02:30,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:02:30,382 INFO L225 Difference]: With dead ends: 243 [2020-10-13 13:02:30,382 INFO L226 Difference]: Without dead ends: 137 [2020-10-13 13:02:30,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=1130, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 13:02:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-13 13:02:30,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2020-10-13 13:02:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-13 13:02:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2020-10-13 13:02:30,392 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 150 [2020-10-13 13:02:30,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:02:30,393 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2020-10-13 13:02:30,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-13 13:02:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2020-10-13 13:02:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-13 13:02:30,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:02:30,396 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] [2020-10-13 13:02:30,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 13:02:30,397 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:02:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:02:30,397 INFO L82 PathProgramCache]: Analyzing trace with hash -678687486, now seen corresponding path program 7 times [2020-10-13 13:02:30,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:02:30,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855180252] [2020-10-13 13:02:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:02:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:30,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:30,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:30,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:35,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 13:02:35,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:02:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:02:35,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:02:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:02:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:02:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:35,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:02:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:35,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:02:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:35,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:36,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:36,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:36,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:36,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:38,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:38,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:38,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:40,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:40,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-13 13:02:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:40,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:40,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:40,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:40,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:40,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:41,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:02:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:45,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:45,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:45,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:45,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:45,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:45,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:02:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:02:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:50,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:50,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:02:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:02:50,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:02:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:02:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:02:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:02:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:50,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:50,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:02:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:02:50,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:50,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:02:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:50,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:02:50,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:02:50,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:02:50,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:02:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:02:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:02:50,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:02:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:50,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:50,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:51,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:53,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:53,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:55,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 13:02:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:02:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:02:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:02:55,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:55,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:55,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:55,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:56,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:56,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:56,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:56,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:57,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:57,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:02:57,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:03:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:00,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:00,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:00,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:00,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:00,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:03:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:01,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:03:01,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:03:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:01,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:01,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:01,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:01,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:01,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:01,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:03:01,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:03:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:01,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 13:03:01,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:01,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:01,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:03:01,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:01,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:03:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:01,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:03:01,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-13 13:03:01,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:03:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:01,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:03:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:01,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:01,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:01,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:01,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:01,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:01,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:01,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:01,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:01,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 412 proven. 313 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2020-10-13 13:03:02,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855180252] [2020-10-13 13:03:02,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:02,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-13 13:03:02,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103674918] [2020-10-13 13:03:02,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-13 13:03:02,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:02,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-13 13:03:02,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2020-10-13 13:03:02,017 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand 26 states. [2020-10-13 13:03:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:03,279 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2020-10-13 13:03:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-13 13:03:03,279 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 218 [2020-10-13 13:03:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:03,282 INFO L225 Difference]: With dead ends: 283 [2020-10-13 13:03:03,282 INFO L226 Difference]: Without dead ends: 153 [2020-10-13 13:03:03,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=403, Invalid=2249, Unknown=0, NotChecked=0, Total=2652 [2020-10-13 13:03:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-13 13:03:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 143. [2020-10-13 13:03:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-13 13:03:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 179 transitions. [2020-10-13 13:03:03,295 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 179 transitions. Word has length 218 [2020-10-13 13:03:03,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:03,296 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 179 transitions. [2020-10-13 13:03:03,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-13 13:03:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions.