/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/recursive/Fibonacci03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:27:42,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:27:42,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:27:42,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:27:42,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:27:42,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:27:42,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:27:42,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:27:42,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:27:42,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:27:42,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:27:42,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:27:42,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:27:42,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:27:42,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:27:42,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:27:42,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:27:42,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:27:42,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:27:42,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:27:42,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:27:42,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:27:42,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:27:42,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:27:42,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:27:42,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:27:42,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:27:42,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:27:42,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:27:42,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:27:42,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:27:42,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:27:42,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:27:42,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:27:42,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:27:42,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:27:42,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:27:42,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:27:42,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:27:42,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:27:42,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:27:42,813 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 [2020-10-27 22:27:42,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:27:42,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:27:42,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:27:42,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:27:42,843 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:27:42,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:27:42,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:27:42,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:27:42,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:27:42,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:27:42,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:27:42,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:27:42,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:27:42,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:27:42,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:27:42,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:27:42,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:27:42,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:27:42,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:27:42,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:27:42,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:27:42,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:27:42,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:27:42,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:27:42,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:27:42,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:27:42,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:27:42,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:27:42,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:27:42,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:27:43,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:27:43,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:27:43,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:27:43,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:27:43,282 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:27:43,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci03.c [2020-10-27 22:27:43,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28f0627c2/0d880fd037574ffdad52db77c806ce2b/FLAG65fcb0a1e [2020-10-27 22:27:44,103 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:27:44,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci03.c [2020-10-27 22:27:44,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28f0627c2/0d880fd037574ffdad52db77c806ce2b/FLAG65fcb0a1e [2020-10-27 22:27:44,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28f0627c2/0d880fd037574ffdad52db77c806ce2b [2020-10-27 22:27:44,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:27:44,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:27:44,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:27:44,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:27:44,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:27:44,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e8cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44, skipping insertion in model container [2020-10-27 22:27:44,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:27:44,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:27:44,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:27:44,678 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:27:44,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:27:44,718 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:27:44,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44 WrapperNode [2020-10-27 22:27:44,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:27:44,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:27:44,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:27:44,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:27:44,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (1/1) ... [2020-10-27 22:27:44,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:27:44,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:27:44,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:27:44,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:27:44,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (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 [2020-10-27 22:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:27:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:27:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-10-27 22:27:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:27:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:27:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:27:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:27:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:27:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:27:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-10-27 22:27:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:27:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:27:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:27:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:27:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:27:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:27:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:27:45,279 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:27:45,279 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:27:45,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:27:45 BoogieIcfgContainer [2020-10-27 22:27:45,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:27:45,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:27:45,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:27:45,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:27:45,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:27:44" (1/3) ... [2020-10-27 22:27:45,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:27:45, skipping insertion in model container [2020-10-27 22:27:45,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:27:44" (2/3) ... [2020-10-27 22:27:45,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:27:45, skipping insertion in model container [2020-10-27 22:27:45,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:27:45" (3/3) ... [2020-10-27 22:27:45,293 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci03.c [2020-10-27 22:27:45,309 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:27:45,315 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:27:45,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:27:45,414 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:27:45,417 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:27:45,418 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:27:45,418 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:27:45,418 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:27:45,418 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:27:45,418 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:27:45,419 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:27:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 22:27:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:27:45,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:45,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:45,463 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:45,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:45,479 INFO L82 PathProgramCache]: Analyzing trace with hash -732444851, now seen corresponding path program 1 times [2020-10-27 22:27:45,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:45,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913095729] [2020-10-27 22:27:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:45,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:46,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:27:46,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-27 22:27:46,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:27:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:27:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:27:46,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:46,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:46,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:27:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:46,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:46,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:27:46,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:27:46,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:46,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:27:46,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913095729] [2020-10-27 22:27:46,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:27:46,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:27:46,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608336869] [2020-10-27 22:27:46,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:27:46,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:27:46,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:27:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:27:46,367 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-27 22:27:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:27:46,900 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-27 22:27:46,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:27:46,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:27:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:27:46,916 INFO L225 Difference]: With dead ends: 42 [2020-10-27 22:27:46,916 INFO L226 Difference]: Without dead ends: 24 [2020-10-27 22:27:46,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:27:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-27 22:27:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-27 22:27:46,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-27 22:27:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-27 22:27:46,988 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 16 [2020-10-27 22:27:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:27:46,989 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-27 22:27:46,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:27:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-27 22:27:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-27 22:27:46,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:46,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:46,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:27:46,992 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:46,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:46,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1245142590, now seen corresponding path program 1 times [2020-10-27 22:27:46,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:46,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368833353] [2020-10-27 22:27:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:47,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:47,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:47,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:27:47,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 22:27:47,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:27:47,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 22:27:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:47,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:47,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:47,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:47,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:47,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:27:47,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:47,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:47,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:47,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:27:47,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:27:47,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:27:47,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:27:47,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368833353] [2020-10-27 22:27:47,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:27:47,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:27:47,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744105306] [2020-10-27 22:27:47,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:27:47,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:27:47,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:27:47,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:27:47,332 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 6 states. [2020-10-27 22:27:47,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:27:47,710 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2020-10-27 22:27:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:27:47,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-27 22:27:47,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:27:47,713 INFO L225 Difference]: With dead ends: 31 [2020-10-27 22:27:47,713 INFO L226 Difference]: Without dead ends: 26 [2020-10-27 22:27:47,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:27:47,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-27 22:27:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-10-27 22:27:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-27 22:27:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-27 22:27:47,724 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 17 [2020-10-27 22:27:47,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:27:47,724 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-27 22:27:47,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:27:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-27 22:27:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:27:47,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:47,726 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:47,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:27:47,727 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1261626143, now seen corresponding path program 1 times [2020-10-27 22:27:47,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:47,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038845690] [2020-10-27 22:27:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:47,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:47,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:48,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:48,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:27:48,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:27:48,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 854 [2020-10-27 22:27:48,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:27:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:27:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:27:48,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:48,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:48,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:48,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:48,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:27:48,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:48,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:48,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:48,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:48,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:27:48,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:48,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:27:48,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:48,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:27:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:27:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:48,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:48,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:27:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:48,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:48,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:27:48,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:27:48,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:27:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:27:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:27:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:48,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:48,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:27:48,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:27:48,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:48,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:27:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:27:48,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038845690] [2020-10-27 22:27:48,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:27:48,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:27:48,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242219324] [2020-10-27 22:27:48,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:27:48,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:27:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:27:48,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:27:48,803 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 7 states. [2020-10-27 22:27:49,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:27:49,271 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2020-10-27 22:27:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:27:49,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2020-10-27 22:27:49,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:27:49,273 INFO L225 Difference]: With dead ends: 42 [2020-10-27 22:27:49,273 INFO L226 Difference]: Without dead ends: 26 [2020-10-27 22:27:49,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:27:49,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-27 22:27:49,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-27 22:27:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 22:27:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2020-10-27 22:27:49,283 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 29 [2020-10-27 22:27:49,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:27:49,284 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2020-10-27 22:27:49,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:27:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2020-10-27 22:27:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:27:49,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:49,285 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:49,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:27:49,286 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:49,287 INFO L82 PathProgramCache]: Analyzing trace with hash -391232570, now seen corresponding path program 1 times [2020-10-27 22:27:49,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:49,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317751119] [2020-10-27 22:27:49,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:49,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:49,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:27:49,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:27:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-27 22:27:49,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:27:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:27:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:27:49,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:49,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:49,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:49,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:49,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:49,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:49,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:27:49,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:27:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:27:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:49,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:49,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:27:49,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:27:49,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:27:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:49,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:49,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:27:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:49,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:49,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:49,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:27:49,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:27:49,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:27:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:27:49,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317751119] [2020-10-27 22:27:49,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:27:49,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:27:49,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169990428] [2020-10-27 22:27:49,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:27:49,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:27:49,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:27:49,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:27:49,884 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 8 states. [2020-10-27 22:27:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:27:50,317 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2020-10-27 22:27:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:27:50,318 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 22:27:50,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:27:50,320 INFO L225 Difference]: With dead ends: 34 [2020-10-27 22:27:50,320 INFO L226 Difference]: Without dead ends: 29 [2020-10-27 22:27:50,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:27:50,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-27 22:27:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2020-10-27 22:27:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-27 22:27:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-10-27 22:27:50,329 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 30 [2020-10-27 22:27:50,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:27:50,330 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-27 22:27:50,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:27:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-10-27 22:27:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 22:27:50,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:50,332 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:50,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:27:50,332 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:50,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:50,333 INFO L82 PathProgramCache]: Analyzing trace with hash -425806459, now seen corresponding path program 1 times [2020-10-27 22:27:50,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:50,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234038503] [2020-10-27 22:27:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:50,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:50,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:50,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:50,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:27:50,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:27:50,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-27 22:27:50,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:27:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:27:50,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:27:50,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:27:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:50,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:50,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:50,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:27:51,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:51,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:51,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:27:51,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:27:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 22:27:51,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:27:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:27:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:27:51,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:27:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:51,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:51,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:27:51,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:51,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:27:51,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:51,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:27:51,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:51,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:27:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:51,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:27:51,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:27:51,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:27:51,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:27:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:27:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:51,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:27:51,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234038503] [2020-10-27 22:27:51,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:27:51,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:27:51,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805631225] [2020-10-27 22:27:51,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:27:51,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:27:51,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:27:51,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:27:51,142 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 8 states. [2020-10-27 22:27:51,469 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-27 22:27:51,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:27:51,732 INFO L93 Difference]: Finished difference Result 56 states and 76 transitions. [2020-10-27 22:27:51,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:27:51,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-27 22:27:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:27:51,735 INFO L225 Difference]: With dead ends: 56 [2020-10-27 22:27:51,735 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:27:51,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:27:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:27:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2020-10-27 22:27:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-27 22:27:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2020-10-27 22:27:51,747 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 31 [2020-10-27 22:27:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:27:51,747 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2020-10-27 22:27:51,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:27:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2020-10-27 22:27:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 22:27:51,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:51,749 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:51,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:27:51,750 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:51,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:51,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1283743237, now seen corresponding path program 2 times [2020-10-27 22:27:51,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:51,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167596696] [2020-10-27 22:27:51,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:51,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:51,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:53,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:53,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:27:53,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:27:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-10-27 22:27:53,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:27:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:27:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 22:27:53,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:53,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:53,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:53,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:53,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:53,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:27:53,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:53,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:53,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:53,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:53,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:53,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:53,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:27:54,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:27:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 729 [2020-10-27 22:27:54,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:27:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:54,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:27:54,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:27:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:54,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:54,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:27:54,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:27:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 22:27:54,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:27:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:27:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:54,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:27:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:54,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:54,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:27:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:54,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:54,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:27:54,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:27:54,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:27:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:54,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:27:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:54,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:54,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:27:54,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:27:54,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:27:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:27:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 22:27:54,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167596696] [2020-10-27 22:27:54,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:27:54,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:27:54,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894942608] [2020-10-27 22:27:54,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:27:54,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:27:54,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:27:54,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:27:54,422 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 8 states. [2020-10-27 22:27:54,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:27:54,874 INFO L93 Difference]: Finished difference Result 77 states and 112 transitions. [2020-10-27 22:27:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:27:54,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-27 22:27:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:27:54,878 INFO L225 Difference]: With dead ends: 77 [2020-10-27 22:27:54,878 INFO L226 Difference]: Without dead ends: 50 [2020-10-27 22:27:54,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:27:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-27 22:27:54,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2020-10-27 22:27:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 22:27:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-27 22:27:54,893 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 44 [2020-10-27 22:27:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:27:54,894 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-27 22:27:54,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:27:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-27 22:27:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:27:54,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:27:54,897 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:27:54,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:27:54,897 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:27:54,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:27:54,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1005074692, now seen corresponding path program 3 times [2020-10-27 22:27:54,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:27:54,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296192880] [2020-10-27 22:27:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:27:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:54,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:54,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:55,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:56,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:56,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:59,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:59,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:59,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:59,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:27:59,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:27:59,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:27:59,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:27:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:27:59,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:27:59,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:59,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:27:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:59,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:27:59,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:27:59,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:27:59,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:27:59,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:27:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:27:59,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:27:59,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:27:59,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:27:59,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:27:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:27:59,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:27:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:00,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:00,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:00,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:01,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:01,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:28:01,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:28:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1385 [2020-10-27 22:28:01,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:28:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:28:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:28:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:01,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:01,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:01,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:01,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:01,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:01,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:02,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:02,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:28:02,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:28:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1562 [2020-10-27 22:28:02,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:28:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:28:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:02,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:03,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:03,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:03,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:28:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 22:28:03,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:28:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:28:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:03,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:03,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:03,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:28:03,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:28:03,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:03,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:03,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:03,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:28:03,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:28:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:03,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:28:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:03,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:03,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:03,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:28:03,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:28:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:03,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:28:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:03,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:03,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:03,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:03,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:03,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:28:03,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:28:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:28:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:28:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 49 proven. 25 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-27 22:28:03,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296192880] [2020-10-27 22:28:03,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:28:03,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:28:03,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904666310] [2020-10-27 22:28:03,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:28:03,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:28:03,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:28:03,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:28:03,248 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-10-27 22:28:03,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:28:03,891 INFO L93 Difference]: Finished difference Result 96 states and 147 transitions. [2020-10-27 22:28:03,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:28:03,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-27 22:28:03,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:28:03,897 INFO L225 Difference]: With dead ends: 96 [2020-10-27 22:28:03,897 INFO L226 Difference]: Without dead ends: 58 [2020-10-27 22:28:03,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:28:03,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-27 22:28:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-10-27 22:28:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 22:28:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 72 transitions. [2020-10-27 22:28:03,931 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 72 transitions. Word has length 58 [2020-10-27 22:28:03,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:28:03,931 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 72 transitions. [2020-10-27 22:28:03,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:28:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-10-27 22:28:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 22:28:03,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:28:03,939 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:28:03,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:28:03,940 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:28:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:28:03,942 INFO L82 PathProgramCache]: Analyzing trace with hash -730494417, now seen corresponding path program 4 times [2020-10-27 22:28:03,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:28:03,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995931577] [2020-10-27 22:28:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:28:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:03,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:04,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:05,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:08,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:08,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:08,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:08,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:28:08,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:28:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 22:28:08,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:28:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:28:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:28:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:28:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:09,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:09,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:28:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:09,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:10,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:11,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:11,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:12,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:12,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:14,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:14,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:28:14,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:28:14,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:28:14,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:28:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:28:14,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:28:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:14,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:14,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:14,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:14,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:28:15,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:15,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:15,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:28:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-27 22:28:15,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:28:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:28:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:15,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:15,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:15,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:28:15,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:28:15,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:28:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:28:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:15,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:15,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:15,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:28:15,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:28:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:28:15,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:28:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:28:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:15,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:15,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:15,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:28:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:28:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:28:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:28:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:15,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:15,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:16,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 848 [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:28:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:16,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:16,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:16,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:16,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:28:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 22:28:16,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:28:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:28:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:16,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:16,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:28:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:28:16,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:16,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:28:16,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:16,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:28:16,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:16,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:16,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:16,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:28:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:16,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:28:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:16,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:16,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:16,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:16,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:16,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:28:16,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:16,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:16,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:16,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:28:16,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 81 proven. 130 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-27 22:28:16,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995931577] [2020-10-27 22:28:16,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:28:16,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:28:16,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160452468] [2020-10-27 22:28:16,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:28:16,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:28:16,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:28:16,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:28:16,610 INFO L87 Difference]: Start difference. First operand 55 states and 72 transitions. Second operand 14 states. [2020-10-27 22:28:17,365 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-10-27 22:28:17,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:28:17,761 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-10-27 22:28:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:28:17,763 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 85 [2020-10-27 22:28:17,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:28:17,767 INFO L225 Difference]: With dead ends: 111 [2020-10-27 22:28:17,768 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 22:28:17,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2020-10-27 22:28:17,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 22:28:17,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 52. [2020-10-27 22:28:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 22:28:17,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2020-10-27 22:28:17,789 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 85 [2020-10-27 22:28:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:28:17,790 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2020-10-27 22:28:17,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:28:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-10-27 22:28:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 22:28:17,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:28:17,794 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:28:17,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:28:17,794 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:28:17,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:28:17,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1063561970, now seen corresponding path program 5 times [2020-10-27 22:28:17,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:28:17,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251499944] [2020-10-27 22:28:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:28:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:17,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:17,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:22,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:28:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 22:28:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:28:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:22,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:22,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:22,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:22,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:28:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:22,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:22,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:27,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:27,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:28:27,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:28:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:28:27,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:28:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:28:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:27,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:27,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:28:28,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:28:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-27 22:28:28,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:28:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:28:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:28:28,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:28:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:28,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:28:28,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:28,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:28:28,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:28:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:28,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:28:28,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:28:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:28:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:28:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:28,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:28:28,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:28:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:28,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:28,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:28,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:28,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:28:28,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 41 proven. 55 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-27 22:28:28,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251499944] [2020-10-27 22:28:28,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:28:28,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:28:28,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733062233] [2020-10-27 22:28:28,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:28:28,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:28:28,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:28:28,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:28:28,522 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 9 states. [2020-10-27 22:28:29,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:28:29,109 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2020-10-27 22:28:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:28:29,112 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-27 22:28:29,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:28:29,114 INFO L225 Difference]: With dead ends: 76 [2020-10-27 22:28:29,114 INFO L226 Difference]: Without dead ends: 58 [2020-10-27 22:28:29,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:28:29,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-27 22:28:29,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-10-27 22:28:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 22:28:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2020-10-27 22:28:29,144 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 71 [2020-10-27 22:28:29,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:28:29,144 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2020-10-27 22:28:29,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:28:29,144 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2020-10-27 22:28:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-27 22:28:29,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:28:29,147 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:28:29,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:28:29,148 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:28:29,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:28:29,148 INFO L82 PathProgramCache]: Analyzing trace with hash 422500065, now seen corresponding path program 6 times [2020-10-27 22:28:29,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:28:29,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277330655] [2020-10-27 22:28:29,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:28:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:29,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:29,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:30,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:30,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:30,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:30,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:30,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:31,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:31,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:31,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:32,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:32,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:32,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:34,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 22:28:34,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-27 22:28:34,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:28:34,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:28:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:28:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 22:28:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:34,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:28:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:34,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:34,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:28:34,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:34,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:28:34,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:34,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:34,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:28:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:34,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:38,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:39,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:28:39,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 22:28:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:28:39,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:28:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:28:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 22:28:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:39,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:39,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:40,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:40,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:44,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:44,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:28:44,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:28:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:28:44,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:28:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:28:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:44,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:44,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:44,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:44,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:44,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:44,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:28:45,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:28:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1075 [2020-10-27 22:28:45,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:28:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:28:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:45,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:28:45,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:28:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:45,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:28:45,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:45,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:28:45,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:28:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:45,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:28:45,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:28:45,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:28:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:28:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:28:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:28:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:45,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:28:45,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:28:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:28:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:28:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:28:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:28:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:28:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:45,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:45,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:45,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:28:45,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:28:45,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:28:45,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:45,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:28:45,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 159 proven. 87 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-27 22:28:45,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277330655] [2020-10-27 22:28:45,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:28:45,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:28:45,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899285107] [2020-10-27 22:28:45,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:28:45,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:28:45,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:28:45,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:28:45,686 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 11 states. [2020-10-27 22:28:46,438 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-27 22:28:46,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:28:46,590 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2020-10-27 22:28:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:28:46,590 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-10-27 22:28:46,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:28:46,592 INFO L225 Difference]: With dead ends: 105 [2020-10-27 22:28:46,592 INFO L226 Difference]: Without dead ends: 60 [2020-10-27 22:28:46,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:28:46,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-27 22:28:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2020-10-27 22:28:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-27 22:28:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2020-10-27 22:28:46,604 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 98 [2020-10-27 22:28:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:28:46,605 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2020-10-27 22:28:46,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:28:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2020-10-27 22:28:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 22:28:46,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:28:46,612 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:28:46,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:28:46,612 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:28:46,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:28:46,613 INFO L82 PathProgramCache]: Analyzing trace with hash -802431294, now seen corresponding path program 7 times [2020-10-27 22:28:46,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:28:46,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830680792] [2020-10-27 22:28:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:28:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:46,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:46,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:46,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:51,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-27 22:28:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:51,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:28:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:51,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:51,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:28:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:28:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:51,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:51,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:51,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:52,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:56,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:28:56,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:28:56,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:28:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:28:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:28:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:28:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:28:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:28:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:28:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:28:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:28:56,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:56,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:56,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:28:56,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:29:01,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:29:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:29:01,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:29:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:29:01,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:01,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:29:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:29:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:01,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:01,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:01,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:01,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:01,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:01,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:29:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:29:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:29:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:29:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:29:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:01,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:29:01,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:29:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:01,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:01,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 96 proven. 145 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-27 22:29:01,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830680792] [2020-10-27 22:29:01,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:29:01,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:29:01,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985205408] [2020-10-27 22:29:01,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:29:01,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:29:01,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:29:01,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:29:01,991 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand 10 states. [2020-10-27 22:29:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:29:02,710 INFO L93 Difference]: Finished difference Result 142 states and 192 transitions. [2020-10-27 22:29:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:29:02,713 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-10-27 22:29:02,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:29:02,718 INFO L225 Difference]: With dead ends: 142 [2020-10-27 22:29:02,720 INFO L226 Difference]: Without dead ends: 137 [2020-10-27 22:29:02,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:29:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-27 22:29:02,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 116. [2020-10-27 22:29:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-27 22:29:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2020-10-27 22:29:02,751 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 160 transitions. Word has length 112 [2020-10-27 22:29:02,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:29:02,752 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 160 transitions. [2020-10-27 22:29:02,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:29:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2020-10-27 22:29:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-27 22:29:02,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:29:02,754 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:29:02,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:29:02,755 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:29:02,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:29:02,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1689569205, now seen corresponding path program 8 times [2020-10-27 22:29:02,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:29:02,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564016968] [2020-10-27 22:29:02,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:29:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:02,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:02,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:02,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:03,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:05,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:05,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:06,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:07,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-27 22:29:07,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 22:29:07,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 22:29:07,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:29:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:29:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:29:07,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:29:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:07,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:07,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:07,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:07,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:29:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:07,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:07,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:08,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:10,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:10,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:10,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:11,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:11,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:11,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:12,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:29:12,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:29:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 22:29:12,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:29:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:29:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-27 22:29:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:12,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:12,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:13,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:15,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:16,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:16,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:16,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:17,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:29:17,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:29:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:29:17,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:29:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:29:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:18,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:18,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:18,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:29:23,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:29:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:29:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:29:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:29:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:23,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:29:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 22:29:23,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:29:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:29:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:23,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:23,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:29:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:29:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:23,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:24,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:24,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:29:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-10-27 22:29:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:29:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:29:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:24,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:24,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:24,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:24,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:29:24,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:29:24,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:29:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:29:24,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:24,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:24,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:24,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:24,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:24,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:24,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:24,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:24,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:24,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:24,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:24,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:24,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:24,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:24,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:29:24,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:24,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:24,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:24,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:29:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:24,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:25,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:25,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:25,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:25,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:29,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:29:29,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:29:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:29:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:29:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:29:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:29:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:29,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:29,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:30,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:30,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:34,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:34,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:29:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:34,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:34,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:34,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:34,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:34,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:34,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:35,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:29:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-27 22:29:35,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:29:35,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:29:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:29:35,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:29:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:29:35,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:35,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:35,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:35,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:29:35,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:35,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:35,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:29:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:29:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:35,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:29:35,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:29:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:29:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:29:35,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:29:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:29:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:35,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:35,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:29:35,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:35,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 728 proven. 799 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2020-10-27 22:29:35,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564016968] [2020-10-27 22:29:35,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:29:35,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 22:29:35,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393527507] [2020-10-27 22:29:35,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 22:29:35,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:29:35,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 22:29:35,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:29:35,466 INFO L87 Difference]: Start difference. First operand 116 states and 160 transitions. Second operand 22 states. [2020-10-27 22:29:35,897 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-10-27 22:29:38,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:29:38,268 INFO L93 Difference]: Finished difference Result 213 states and 320 transitions. [2020-10-27 22:29:38,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 22:29:38,272 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 221 [2020-10-27 22:29:38,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:29:38,274 INFO L225 Difference]: With dead ends: 213 [2020-10-27 22:29:38,274 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 22:29:38,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=514, Invalid=1838, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 22:29:38,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 22:29:38,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 81. [2020-10-27 22:29:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 22:29:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2020-10-27 22:29:38,291 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 221 [2020-10-27 22:29:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:29:38,291 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2020-10-27 22:29:38,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 22:29:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2020-10-27 22:29:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-27 22:29:38,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:29:38,294 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:29:38,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:29:38,295 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:29:38,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:29:38,295 INFO L82 PathProgramCache]: Analyzing trace with hash -518046923, now seen corresponding path program 9 times [2020-10-27 22:29:38,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:29:38,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400361340] [2020-10-27 22:29:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:29:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:38,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:38,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:38,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:38,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:38,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:39,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:43,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:43,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 22:29:43,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:29:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:29:43,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:29:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:29:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-27 22:29:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:43,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:29:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:43,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:43,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:43,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:29:43,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:43,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:43,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:43,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:43,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:29:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:43,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:44,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:44,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:44,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:46,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:48,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:48,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 22:29:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:48,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:48,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:48,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:48,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:48,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:48,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:48,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:29:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:53,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:53,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:53,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:53,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:29:58,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:29:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:29:58,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:29:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:29:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:58,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:29:58,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:58,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:58,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:58,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:29:58,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:29:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:29:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:58,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:58,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:29:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:29:58,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:29:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:58,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:29:58,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:29:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:58,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:58,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:58,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:29:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:29:58,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:29:58,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:29:58,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:29:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:29:58,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:29:58,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:29:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:29:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:29:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:29:58,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:29:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:29:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:58,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:29:58,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:29:58,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:29:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:29:58,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:29:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:29:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:29:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:29:58,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:29:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 151 proven. 387 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2020-10-27 22:29:58,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400361340] [2020-10-27 22:29:58,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:29:58,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:29:58,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678295837] [2020-10-27 22:29:58,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:29:58,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:29:58,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:29:58,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:29:58,880 INFO L87 Difference]: Start difference. First operand 81 states and 101 transitions. Second operand 11 states. [2020-10-27 22:29:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:29:59,510 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2020-10-27 22:29:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:29:59,511 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-27 22:29:59,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:29:59,513 INFO L225 Difference]: With dead ends: 102 [2020-10-27 22:29:59,513 INFO L226 Difference]: Without dead ends: 97 [2020-10-27 22:29:59,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:29:59,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-27 22:29:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 84. [2020-10-27 22:29:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-27 22:29:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2020-10-27 22:29:59,527 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 180 [2020-10-27 22:29:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:29:59,528 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2020-10-27 22:29:59,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:29:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2020-10-27 22:29:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-27 22:29:59,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:29:59,534 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:29:59,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:29:59,534 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:29:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:29:59,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1246615247, now seen corresponding path program 10 times [2020-10-27 22:29:59,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:29:59,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457281890] [2020-10-27 22:29:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:29:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:29:59,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:59,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:59,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:59,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:59,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:29:59,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:04,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-10-27 22:30:04,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:30:04,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 22:30:04,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:04,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 22:30:04,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:30:04,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-27 22:30:04,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:04,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:30:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:04,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:04,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:05,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:08,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:08,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:08,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:08,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 450 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 322 [2020-10-27 22:30:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:09,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:09,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:09,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:10,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:11,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:11,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:13,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:13,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:14,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:14,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:14,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:30:14,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:30:14,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:30:14,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:14,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:30:14,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:14,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 22:30:14,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:14,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:14,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:14,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:15,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:17,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:18,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:19,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:19,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:30:19,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:30:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:30:19,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:30:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:30:19,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:20,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:20,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:20,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:21,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:30:25,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:30:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:30:25,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:30:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:30:25,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:30:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:25,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:25,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:25,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:25,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:25,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:25,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:25,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:30:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:30:25,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:30:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:25,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:25,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:25,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:25,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:25,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:30:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:25,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:25,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:26,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:30:26,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-10-27 22:30:26,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:30:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:30:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:30:26,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:26,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:30:26,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:30:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:26,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:26,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:30:26,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:26,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:30:26,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:30:26,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:26,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:26,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:26,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:26,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:26,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:30:26,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:30:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:26,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:30:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:31,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:30:31,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:30:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:31,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:31,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:31,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:31,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:31,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:31,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:30:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:31,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:30:31,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:30:31,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:31,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:31,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 22:30:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:31,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:35,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:36,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:30:36,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:36,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:36,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:36,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:36,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:37,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:37,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:41,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:30:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:41,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:41,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:41,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:42,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:42,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:42,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:42,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:42,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:30:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:46,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:46,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:47,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:30:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-27 22:30:47,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:30:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:30:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:47,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:30:47,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:30:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:30:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:30:47,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:30:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:30:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:30:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:30:47,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:47,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:30:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:30:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:47,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:47,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:47,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:47,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:47,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:30:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:30:47,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:30:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:30:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:30:47,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:30:47,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:30:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:30:47,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:30:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:47,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:30:47,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:30:47,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 1040 proven. 2211 refuted. 0 times theorem prover too weak. 3869 trivial. 0 not checked. [2020-10-27 22:30:47,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457281890] [2020-10-27 22:30:47,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:30:47,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 22:30:47,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820035170] [2020-10-27 22:30:47,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 22:30:47,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:30:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 22:30:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:30:47,662 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand 23 states. [2020-10-27 22:30:48,396 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-27 22:30:50,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:30:50,610 INFO L93 Difference]: Finished difference Result 183 states and 279 transitions. [2020-10-27 22:30:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 22:30:50,611 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 357 [2020-10-27 22:30:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:30:50,614 INFO L225 Difference]: With dead ends: 183 [2020-10-27 22:30:50,615 INFO L226 Difference]: Without dead ends: 109 [2020-10-27 22:30:50,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 100 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=503, Invalid=1753, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 22:30:50,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-27 22:30:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 102. [2020-10-27 22:30:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 22:30:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 132 transitions. [2020-10-27 22:30:50,632 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 132 transitions. Word has length 357 [2020-10-27 22:30:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:30:50,633 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 132 transitions. [2020-10-27 22:30:50,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 22:30:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2020-10-27 22:30:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-27 22:30:50,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:30:50,638 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:30:50,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:30:50,638 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:30:50,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:30:50,639 INFO L82 PathProgramCache]: Analyzing trace with hash 501338018, now seen corresponding path program 11 times [2020-10-27 22:30:50,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:30:50,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310572616] [2020-10-27 22:30:50,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:30:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:50,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:50,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:52,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:55,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:55,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-27 22:30:55,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:30:55,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:30:55,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:55,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:30:55,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 22:30:55,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 361 [2020-10-27 22:30:55,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:30:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:55,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:55,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:30:55,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:30:55,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:30:55,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:30:55,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:30:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:30:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:30:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:30:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:30:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:30:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:30:55,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:55,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:30:56,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:31:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-27 22:31:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:00,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:00,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:01,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:03,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:03,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:31:05,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:31:05,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:31:05,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:31:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 22:31:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:31:05,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:31:05,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:31:05,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:05,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:31:05,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:05,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:05,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:05,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:05,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:05,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:05,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:31:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:05,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:31:05,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:05,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:05,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:05,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:05,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:05,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:05,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:05,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:05,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:31:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:05,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:06,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:06,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:31:06,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:06,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:06,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:06,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:06,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:06,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:06,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:06,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:31:06,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:06,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:06,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:06,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:06,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:06,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:06,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:06,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:06,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:06,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:06,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:31:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:06,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:06,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:31:11,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:31:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:31:11,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:31:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:31:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:31:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:11,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:31:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:31:11,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:31:11,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:31:11,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:11,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:11,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:11,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:31:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:11,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:31:11,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:31:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:31:11,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 22:31:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:31:11,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:31:11,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:31:11,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:11,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:31:11,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:11,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:31:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:11,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:11,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:11,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:11,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:31:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:11,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:31:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:31:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:11,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:11,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:11,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:31:11,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:31:11,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:11,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:11,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 494 proven. 656 refuted. 0 times theorem prover too weak. 3418 trivial. 0 not checked. [2020-10-27 22:31:11,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310572616] [2020-10-27 22:31:11,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:31:11,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:31:11,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092503226] [2020-10-27 22:31:11,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:31:11,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:31:11,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:31:11,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:31:11,729 INFO L87 Difference]: Start difference. First operand 102 states and 132 transitions. Second operand 12 states. [2020-10-27 22:31:12,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:31:12,598 INFO L93 Difference]: Finished difference Result 258 states and 350 transitions. [2020-10-27 22:31:12,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 22:31:12,598 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 289 [2020-10-27 22:31:12,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:31:12,601 INFO L225 Difference]: With dead ends: 258 [2020-10-27 22:31:12,601 INFO L226 Difference]: Without dead ends: 127 [2020-10-27 22:31:12,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:31:12,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-27 22:31:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 101. [2020-10-27 22:31:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-27 22:31:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2020-10-27 22:31:12,618 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 289 [2020-10-27 22:31:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:31:12,620 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2020-10-27 22:31:12,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:31:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2020-10-27 22:31:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-10-27 22:31:12,624 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:31:12,625 INFO L422 BasicCegarLoop]: trace histogram [83, 83, 67, 41, 41, 41, 41, 41, 41, 41, 26, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:31:12,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:31:12,625 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:31:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:31:12,626 INFO L82 PathProgramCache]: Analyzing trace with hash 228850053, now seen corresponding path program 12 times [2020-10-27 22:31:12,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:31:12,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162170365] [2020-10-27 22:31:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:31:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:12,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:13,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:13,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:13,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:13,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:15,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:17,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 749 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 434 [2020-10-27 22:31:17,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:31:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:17,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:17,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:31:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:17,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 22:31:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:17,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:18,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:18,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:18,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:18,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:18,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:18,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:19,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:21,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 732 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 522 [2020-10-27 22:31:22,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:23,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:24,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:25,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:26,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:26,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:26,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:31:28,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-27 22:31:28,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 22:31:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:31:28,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:31:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:31:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:31:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-27 22:31:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:31:28,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:31:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:31:28,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:31:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking...