/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-simple/fibo_2calls_6-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:35:22,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:35:22,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:35:22,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:35:22,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:35:22,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:35:22,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:35:22,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:35:22,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:35:22,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:35:22,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:35:22,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:35:22,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:35:22,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:35:22,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:35:22,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:35:22,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:35:22,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:35:22,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:35:22,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:35:22,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:35:22,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:35:22,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:35:22,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:35:22,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:35:22,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:35:22,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:35:22,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:35:22,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:35:22,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:35:22,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:35:22,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:35:22,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:35:22,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:35:22,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:35:22,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:35:22,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:35:22,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:35:22,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:35:22,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:35:22,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:35:22,665 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 22:35:22,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:35:22,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:35:22,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:35:22,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:35:22,725 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:35:22,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:35:22,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:35:22,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:35:22,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:35:22,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:35:22,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:35:22,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:35:22,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:35:22,729 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:35:22,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:35:22,729 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:35:22,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:35:22,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:35:22,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:35:22,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:35:22,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:35:22,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:35:22,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:35:22,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:35:22,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:35:22,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:35:22,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:35:22,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:35:22,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:35:22,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:35:23,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:35:23,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:35:23,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:35:23,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:35:23,172 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:35:23,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-1.c [2020-10-27 22:35:23,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e972482d6/f4bd83038a3f45589e19e058c7596ef9/FLAG9bca3cc6e [2020-10-27 22:35:23,957 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:35:23,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-1.c [2020-10-27 22:35:23,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e972482d6/f4bd83038a3f45589e19e058c7596ef9/FLAG9bca3cc6e [2020-10-27 22:35:24,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e972482d6/f4bd83038a3f45589e19e058c7596ef9 [2020-10-27 22:35:24,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:35:24,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:35:24,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:35:24,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:35:24,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:35:24,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47293faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24, skipping insertion in model container [2020-10-27 22:35:24,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:35:24,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:35:24,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:35:24,559 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:35:24,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:35:24,593 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:35:24,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24 WrapperNode [2020-10-27 22:35:24,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:35:24,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:35:24,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:35:24,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:35:24,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (1/1) ... [2020-10-27 22:35:24,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:35:24,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:35:24,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:35:24,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:35:24,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (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 22:35:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:35:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:35:24,712 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:35:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 22:35:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 22:35:24,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:35:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:35:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:35:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:35:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:35:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:35:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 22:35:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 22:35:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:35:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:35:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:35:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:35:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:35:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:35:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:35:24,996 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:35:24,996 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:35:24,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:35:24 BoogieIcfgContainer [2020-10-27 22:35:24,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:35:25,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:35:25,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:35:25,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:35:25,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:35:24" (1/3) ... [2020-10-27 22:35:25,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff89d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:35:25, skipping insertion in model container [2020-10-27 22:35:25,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:24" (2/3) ... [2020-10-27 22:35:25,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff89d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:35:25, skipping insertion in model container [2020-10-27 22:35:25,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:35:24" (3/3) ... [2020-10-27 22:35:25,010 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-1.c [2020-10-27 22:35:25,027 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:35:25,034 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:35:25,056 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:35:25,122 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:35:25,122 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:35:25,122 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:35:25,122 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:35:25,123 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:35:25,123 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:35:25,123 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:35:25,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:35:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 22:35:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:35:25,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:25,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:25,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:25,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:25,207 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 22:35:25,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:25,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382844632] [2020-10-27 22:35:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:25,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:25,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:35:25,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-10-27 22:35:25,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:25,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:25,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:25,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:25,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:35:26,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:26,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:26,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:26,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:35:26,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:26,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:26,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:26,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:26,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:26,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:35:26,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:26,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:26,124 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 22:35:26,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382844632] [2020-10-27 22:35:26,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:26,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:35:26,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964085829] [2020-10-27 22:35:26,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:35:26,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:26,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:35:26,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:35:26,154 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 22:35:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:26,487 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 22:35:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:35:26,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:35:26,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:26,500 INFO L225 Difference]: With dead ends: 50 [2020-10-27 22:35:26,500 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:35:26,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:35:26,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:35:26,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:35:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:35:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:35:26,562 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 22:35:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:26,563 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:35:26,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:35:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:35:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:35:26,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:26,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:26,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:35:26,566 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:26,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:26,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 22:35:26,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:26,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833989387] [2020-10-27 22:35:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:26,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:26,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:26,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 22:35:26,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:26,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:26,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:26,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:26,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:26,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:35:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:26,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-27 22:35:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:26,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:26,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:26,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:35:26,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:26,897 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 22:35:26,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833989387] [2020-10-27 22:35:26,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:26,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:35:26,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181261520] [2020-10-27 22:35:26,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:35:26,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:26,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:35:26,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:35:26,903 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 22:35:27,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:27,164 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 22:35:27,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:35:27,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:35:27,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:27,167 INFO L225 Difference]: With dead ends: 39 [2020-10-27 22:35:27,167 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 22:35:27,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:35:27,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 22:35:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 22:35:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:35:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:35:27,180 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 22:35:27,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:27,180 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:35:27,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:35:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:35:27,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:35:27,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:27,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:27,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:35:27,183 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:27,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:27,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 22:35:27,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:27,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677744477] [2020-10-27 22:35:27,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:35:27,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 719 [2020-10-27 22:35:27,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:35:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:27,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:27,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:27,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:27,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:27,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:35:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:35:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:28,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:28,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:28,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:35:28,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:28,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:35:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:28,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:28,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:28,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:28,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:28,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677744477] [2020-10-27 22:35:28,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:28,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:35:28,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764526316] [2020-10-27 22:35:28,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:35:28,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:28,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:35:28,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:35:28,066 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-10-27 22:35:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:28,376 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2020-10-27 22:35:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:28,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-27 22:35:28,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:28,378 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:35:28,378 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:35:28,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:35:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:35:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2020-10-27 22:35:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 22:35:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2020-10-27 22:35:28,391 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 28 [2020-10-27 22:35:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:28,391 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2020-10-27 22:35:28,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:35:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-10-27 22:35:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:35:28,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:28,393 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:28,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:35:28,394 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:28,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:28,395 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-27 22:35:28,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:28,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685828082] [2020-10-27 22:35:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:28,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:28,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:35:28,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-27 22:35:28,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:35:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:28,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:28,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:28,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:28,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:28,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:28,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:28,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:29,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:29,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 22:35:29,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:29,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:29,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:29,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:35:29,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:29,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:29,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:29,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:35:29,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:29,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685828082] [2020-10-27 22:35:29,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:29,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:35:29,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360978657] [2020-10-27 22:35:29,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:35:29,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:29,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:35:29,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:35:29,122 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 8 states. [2020-10-27 22:35:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:29,508 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-27 22:35:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:35:29,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-27 22:35:29,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:29,510 INFO L225 Difference]: With dead ends: 42 [2020-10-27 22:35:29,511 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:35:29,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:35:29,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:35:29,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-27 22:35:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 22:35:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2020-10-27 22:35:29,521 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 29 [2020-10-27 22:35:29,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:29,522 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2020-10-27 22:35:29,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:35:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2020-10-27 22:35:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:35:29,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:29,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:29,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:35:29,524 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:29,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:29,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 22:35:29,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:29,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691599337] [2020-10-27 22:35:29,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:29,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:29,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:29,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:29,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-27 22:35:29,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:35:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:35:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:30,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:30,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:30,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:30,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:30,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:35:30,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 22:35:30,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:35:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:30,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:30,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:30,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:35:30,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:30,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:30,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:30,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:30,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:30,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:30,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:30,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691599337] [2020-10-27 22:35:30,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:30,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:35:30,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695592959] [2020-10-27 22:35:30,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:35:30,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:30,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:35:30,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:35:30,225 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand 8 states. [2020-10-27 22:35:30,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:30,595 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2020-10-27 22:35:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:30,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 22:35:30,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:30,597 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:35:30,597 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 22:35:30,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:35:30,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 22:35:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 22:35:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:35:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2020-10-27 22:35:30,608 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 30 [2020-10-27 22:35:30,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:30,609 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-27 22:35:30,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:35:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-10-27 22:35:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 22:35:30,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:30,611 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:30,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:35:30,611 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:30,612 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-27 22:35:30,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:30,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871089918] [2020-10-27 22:35:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:31,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:31,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:31,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:34,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 22:35:34,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:35:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4132 [2020-10-27 22:35:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 22:35:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:34,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:34,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:34,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:34,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:34,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:34,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:34,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:34,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:34,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:34,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:34,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:34,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:34,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:35,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:35,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 532 [2020-10-27 22:35:35,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:35:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:35:35,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:35,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:35:35,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:35:35,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:35,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:35,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:35,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:35,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:35,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:35:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:35,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:35,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:35,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:35,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:35,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:35:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:35,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:35,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:35,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:35,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:35,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:35,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:35:35,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:35,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:35:35,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871089918] [2020-10-27 22:35:35,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:35,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:35:35,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682231265] [2020-10-27 22:35:35,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:35:35,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:35,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:35:35,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:35:35,469 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand 7 states. [2020-10-27 22:35:35,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:35,806 INFO L93 Difference]: Finished difference Result 73 states and 98 transitions. [2020-10-27 22:35:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:35,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-27 22:35:35,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:35,809 INFO L225 Difference]: With dead ends: 73 [2020-10-27 22:35:35,809 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:35:35,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:35:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:35:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:35:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:35:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-27 22:35:35,832 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 42 [2020-10-27 22:35:35,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:35,832 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-27 22:35:35,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:35:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-27 22:35:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:35:35,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:35,837 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:35,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:35:35,838 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 488187527, now seen corresponding path program 1 times [2020-10-27 22:35:35,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:35,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176769849] [2020-10-27 22:35:35,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:35:37,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1407 [2020-10-27 22:35:37,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:35:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:38,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 832 [2020-10-27 22:35:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:35:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:38,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:35:38,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:38,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:38,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:35:38,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176769849] [2020-10-27 22:35:38,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:38,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:38,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733016237] [2020-10-27 22:35:38,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:38,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:38,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:38,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:38,441 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 10 states. [2020-10-27 22:35:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:38,928 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-10-27 22:35:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:35:38,928 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-10-27 22:35:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:38,930 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:35:38,930 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 22:35:38,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:35:38,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 22:35:38,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2020-10-27 22:35:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:35:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 69 transitions. [2020-10-27 22:35:38,956 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 69 transitions. Word has length 43 [2020-10-27 22:35:38,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:38,957 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 69 transitions. [2020-10-27 22:35:38,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2020-10-27 22:35:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 22:35:38,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:38,965 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:38,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:35:38,966 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:38,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:38,966 INFO L82 PathProgramCache]: Analyzing trace with hash -751460799, now seen corresponding path program 1 times [2020-10-27 22:35:38,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:38,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303538413] [2020-10-27 22:35:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:43,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:43,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 22:35:43,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:35:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:43,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:35:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:44,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:44,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:44,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:44,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:44,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:47,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:47,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:35:47,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:35:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3924 [2020-10-27 22:35:47,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:35:47,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:47,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:47,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:48,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-27 22:35:48,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:48,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:48,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:48,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:48,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 22:35:48,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:48,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:48,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:35:48,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:48,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:48,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:48,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:48,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:48,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:48,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:35:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:48,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:48,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:48,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:48,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:48,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:35:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:35:48,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303538413] [2020-10-27 22:35:48,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:48,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:48,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559701276] [2020-10-27 22:35:48,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:48,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:48,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:48,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:48,550 INFO L87 Difference]: Start difference. First operand 50 states and 69 transitions. Second operand 10 states. [2020-10-27 22:35:49,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:49,083 INFO L93 Difference]: Finished difference Result 111 states and 194 transitions. [2020-10-27 22:35:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:35:49,084 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-27 22:35:49,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:49,087 INFO L225 Difference]: With dead ends: 111 [2020-10-27 22:35:49,087 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 22:35:49,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:35:49,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 22:35:49,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-27 22:35:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 22:35:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 113 transitions. [2020-10-27 22:35:49,106 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 113 transitions. Word has length 56 [2020-10-27 22:35:49,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:49,107 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 113 transitions. [2020-10-27 22:35:49,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2020-10-27 22:35:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:35:49,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:49,110 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:49,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:35:49,110 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:49,110 INFO L82 PathProgramCache]: Analyzing trace with hash -2073039210, now seen corresponding path program 1 times [2020-10-27 22:35:49,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:49,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155033601] [2020-10-27 22:35:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:49,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:54,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:35:54,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:35:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:54,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:35:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:35:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:35:54,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:54,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:54,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:54,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:54,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:54,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:54,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:54,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:54,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 867 [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:35:55,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:55,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:55,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:55,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 870 [2020-10-27 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:35:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:55,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:56,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:56,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:35:56,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:56,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:56,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:56,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:56,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:56,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:56,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:56,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:56,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:56,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:56,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:56,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:56,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:56,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:56,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:56,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:35:56,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:56,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:35:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:56,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:35:56,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155033601] [2020-10-27 22:35:56,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:56,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:56,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314556050] [2020-10-27 22:35:56,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:56,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:56,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:56,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:56,107 INFO L87 Difference]: Start difference. First operand 68 states and 113 transitions. Second operand 10 states. [2020-10-27 22:35:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:56,770 INFO L93 Difference]: Finished difference Result 159 states and 358 transitions. [2020-10-27 22:35:56,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:35:56,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-27 22:35:56,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:56,775 INFO L225 Difference]: With dead ends: 159 [2020-10-27 22:35:56,777 INFO L226 Difference]: Without dead ends: 98 [2020-10-27 22:35:56,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:35:56,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-27 22:35:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-27 22:35:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-27 22:35:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 192 transitions. [2020-10-27 22:35:56,814 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 192 transitions. Word has length 57 [2020-10-27 22:35:56,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:56,815 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 192 transitions. [2020-10-27 22:35:56,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 192 transitions. [2020-10-27 22:35:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:35:56,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:56,819 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:56,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:35:56,819 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:56,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:56,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 2 times [2020-10-27 22:35:56,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:56,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51267352] [2020-10-27 22:35:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:58,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:58,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:36:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:36:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:36:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:01,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:01,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:01,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:01,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:01,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:01,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:36:06,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:36:06,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:06,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:36:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 22:36:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:07,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:07,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-27 22:36:07,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:36:07,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:07,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:07,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:07,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:07,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:07,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:07,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:07,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:07,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:07,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:07,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:07,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:07,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:08,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:08,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:08,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:08,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:08,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:08,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:08,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:08,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:08,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:08,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 43 proven. 31 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-27 22:36:08,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51267352] [2020-10-27 22:36:08,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:08,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:36:08,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787036886] [2020-10-27 22:36:08,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:36:08,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:08,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:36:08,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:36:08,071 INFO L87 Difference]: Start difference. First operand 98 states and 192 transitions. Second operand 12 states. [2020-10-27 22:36:09,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:09,177 INFO L93 Difference]: Finished difference Result 226 states and 552 transitions. [2020-10-27 22:36:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:36:09,177 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-27 22:36:09,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:09,186 INFO L225 Difference]: With dead ends: 226 [2020-10-27 22:36:09,186 INFO L226 Difference]: Without dead ends: 131 [2020-10-27 22:36:09,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:36:09,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-27 22:36:09,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 119. [2020-10-27 22:36:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 22:36:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 211 transitions. [2020-10-27 22:36:09,256 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 211 transitions. Word has length 84 [2020-10-27 22:36:09,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:09,257 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 211 transitions. [2020-10-27 22:36:09,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:36:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 211 transitions. [2020-10-27 22:36:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 22:36:09,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:09,268 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:09,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:36:09,268 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:09,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:09,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1298987502, now seen corresponding path program 1 times [2020-10-27 22:36:09,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:09,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847053687] [2020-10-27 22:36:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:09,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:09,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:10,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:14,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:14,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:14,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:14,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:14,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:14,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:14,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:14,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:16,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:19,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:19,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:19,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:19,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:19,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:19,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:19,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:19,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:19,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:19,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:19,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:19,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:21,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:21,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-27 22:36:21,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:21,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:21,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:36:21,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:21,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:21,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:21,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:36:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:21,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:21,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:21,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 80 proven. 11 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-27 22:36:21,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847053687] [2020-10-27 22:36:21,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:21,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:36:21,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140589776] [2020-10-27 22:36:21,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:21,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:21,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:21,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:21,419 INFO L87 Difference]: Start difference. First operand 119 states and 211 transitions. Second operand 10 states. [2020-10-27 22:36:22,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:22,037 INFO L93 Difference]: Finished difference Result 234 states and 489 transitions. [2020-10-27 22:36:22,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:22,038 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-27 22:36:22,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:22,041 INFO L225 Difference]: With dead ends: 234 [2020-10-27 22:36:22,041 INFO L226 Difference]: Without dead ends: 122 [2020-10-27 22:36:22,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:36:22,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-27 22:36:22,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2020-10-27 22:36:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 22:36:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 209 transitions. [2020-10-27 22:36:22,076 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 209 transitions. Word has length 96 [2020-10-27 22:36:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:22,077 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 209 transitions. [2020-10-27 22:36:22,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:22,077 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 209 transitions. [2020-10-27 22:36:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 22:36:22,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:22,081 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:22,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:36:22,082 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:22,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:22,082 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 1 times [2020-10-27 22:36:22,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:22,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793242431] [2020-10-27 22:36:22,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:22,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:24,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 22:36:27,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 22:36:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:36:27,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 22:36:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:27,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 22:36:32,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:36:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:36:32,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 22:36:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:35,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:36:35,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:36:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3567 [2020-10-27 22:36:35,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:35,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:35,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:35,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:35,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 22:36:35,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:36:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:35,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:35,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:35,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:35,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:35,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:35,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:35,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:35,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:35,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:36,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:36,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:36,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:36,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:36,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:36,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:36,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:36:36,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:36,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:36,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:36,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:36,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:36,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:36,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:36,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:36,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:36,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:36,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:36:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:36:38,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:36:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2375 [2020-10-27 22:36:38,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:36:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:38,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:38,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:36:38,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 85 proven. 114 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-27 22:36:38,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793242431] [2020-10-27 22:36:38,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:38,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 22:36:38,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198335451] [2020-10-27 22:36:38,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 22:36:38,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:38,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 22:36:38,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:36:38,859 INFO L87 Difference]: Start difference. First operand 119 states and 209 transitions. Second operand 21 states. [2020-10-27 22:36:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:40,371 INFO L93 Difference]: Finished difference Result 251 states and 475 transitions. [2020-10-27 22:36:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 22:36:40,372 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 110 [2020-10-27 22:36:40,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:40,375 INFO L225 Difference]: With dead ends: 251 [2020-10-27 22:36:40,375 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 22:36:40,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=215, Invalid=1117, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 22:36:40,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 22:36:40,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 128. [2020-10-27 22:36:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-27 22:36:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 222 transitions. [2020-10-27 22:36:40,399 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 222 transitions. Word has length 110 [2020-10-27 22:36:40,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:40,399 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 222 transitions. [2020-10-27 22:36:40,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 22:36:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 222 transitions. [2020-10-27 22:36:40,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:36:40,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:40,402 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:40,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:36:40,402 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:40,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:40,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1467384062, now seen corresponding path program 2 times [2020-10-27 22:36:40,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:40,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036764218] [2020-10-27 22:36:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:45,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:36:45,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:36:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:36:45,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-27 22:36:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:45,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:45,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:45,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:45,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:45,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:45,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:45,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 22:36:50,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:36:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:50,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:50,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:50,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:50,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:36:55,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:36:55,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:36:55,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 22:36:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:55,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:36:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:36:55,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:55,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:36:55,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:36:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:55,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:36:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:55,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:55,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:55,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:55,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 22:36:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:55,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:55,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:55,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2020-10-27 22:36:56,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036764218] [2020-10-27 22:36:56,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:56,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:36:56,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737164720] [2020-10-27 22:36:56,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:36:56,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:56,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:36:56,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:36:56,008 INFO L87 Difference]: Start difference. First operand 128 states and 222 transitions. Second operand 8 states. [2020-10-27 22:36:56,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:56,383 INFO L93 Difference]: Finished difference Result 244 states and 469 transitions. [2020-10-27 22:36:56,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:56,384 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-10-27 22:36:56,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:56,386 INFO L225 Difference]: With dead ends: 244 [2020-10-27 22:36:56,386 INFO L226 Difference]: Without dead ends: 123 [2020-10-27 22:36:56,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:36:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-27 22:36:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-10-27 22:36:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-27 22:36:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 211 transitions. [2020-10-27 22:36:56,408 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 211 transitions. Word has length 111 [2020-10-27 22:36:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:56,408 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 211 transitions. [2020-10-27 22:36:56,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:36:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2020-10-27 22:36:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 22:36:56,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:56,411 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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 22:36:56,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:36:56,412 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:56,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:56,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1766682961, now seen corresponding path program 3 times [2020-10-27 22:36:56,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:56,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588572974] [2020-10-27 22:36:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:01,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:01,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:01,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:06,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:06,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:06,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:06,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:06,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:06,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:06,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:06,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:06,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:06,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:06,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:06,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:06,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:06,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:06,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:06,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:37:11,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:37:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:37:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2139 [2020-10-27 22:37:13,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:13,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:13,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 22:37:13,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:37:13,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:13,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:13,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 22:37:13,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:14,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:14,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:14,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:14,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:37:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:14,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:14,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:14,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 107 proven. 30 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-27 22:37:14,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588572974] [2020-10-27 22:37:14,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:14,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:37:14,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521912394] [2020-10-27 22:37:14,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:37:14,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:14,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:37:14,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:37:14,047 INFO L87 Difference]: Start difference. First operand 123 states and 211 transitions. Second operand 12 states. [2020-10-27 22:37:14,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:14,855 INFO L93 Difference]: Finished difference Result 199 states and 355 transitions. [2020-10-27 22:37:14,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:37:14,855 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-10-27 22:37:14,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:14,860 INFO L225 Difference]: With dead ends: 199 [2020-10-27 22:37:14,860 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 22:37:14,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:37:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 22:37:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2020-10-27 22:37:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 22:37:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2020-10-27 22:37:14,875 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 110 [2020-10-27 22:37:14,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:14,876 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2020-10-27 22:37:14,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:37:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2020-10-27 22:37:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-27 22:37:14,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:14,879 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:14,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:37:14,880 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:14,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:14,880 INFO L82 PathProgramCache]: Analyzing trace with hash -727342270, now seen corresponding path program 4 times [2020-10-27 22:37:14,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:14,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352321243] [2020-10-27 22:37:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:37:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:19,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:19,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:19,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:19,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:19,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:20,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:20,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:20,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:20,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:20,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:25,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:25,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:25,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:30,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:37:30,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:37:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:37:30,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:37:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:30,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:30,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:31,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:31,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1410 [2020-10-27 22:37:31,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:37:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:31,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:31,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:31,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 22:37:31,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:31,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:31,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:31,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:31,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:31,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2517 [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:34,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:34,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:34,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:34,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:34,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:34,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 22:37:34,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:34,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:34,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:37:34,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:37:34,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:34,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:37:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:34,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:37:39,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:37:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:39,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 22:37:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:39,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:39,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:39,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:39,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:39,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:39,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:37:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:39,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:39,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:39,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:39,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:39,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:39,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 116 proven. 284 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-10-27 22:37:39,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352321243] [2020-10-27 22:37:39,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:39,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:37:39,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710211096] [2020-10-27 22:37:39,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:37:39,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:39,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:37:39,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:37:39,656 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand 13 states. [2020-10-27 22:37:40,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:40,653 INFO L93 Difference]: Finished difference Result 160 states and 235 transitions. [2020-10-27 22:37:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:37:40,654 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-10-27 22:37:40,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:40,656 INFO L225 Difference]: With dead ends: 160 [2020-10-27 22:37:40,656 INFO L226 Difference]: Without dead ends: 89 [2020-10-27 22:37:40,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:37:40,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-27 22:37:40,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-10-27 22:37:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-27 22:37:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2020-10-27 22:37:40,667 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 193 [2020-10-27 22:37:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:40,667 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2020-10-27 22:37:40,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:37:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2020-10-27 22:37:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 22:37:40,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:40,670 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:40,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:37:40,670 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1001167155, now seen corresponding path program 5 times [2020-10-27 22:37:40,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:40,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049064674] [2020-10-27 22:37:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:40,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:37:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:37:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:37:45,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:37:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:37:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:45,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:45,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:46,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:46,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:37:50,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:37:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:50,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:50,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:37:55,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:55,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:55,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:56,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:56,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:56,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:56,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:56,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:56,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:56,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:00,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:38:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3960 [2020-10-27 22:38:00,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:00,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:00,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:38:00,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:00,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:00,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:00,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:00,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:00,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:00,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:00,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 107 proven. 160 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-10-27 22:38:00,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049064674] [2020-10-27 22:38:00,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:00,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:38:00,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510651586] [2020-10-27 22:38:00,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:38:00,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:38:00,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:38:00,746 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand 17 states. [2020-10-27 22:38:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:02,307 INFO L93 Difference]: Finished difference Result 195 states and 300 transitions. [2020-10-27 22:38:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 22:38:02,310 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 138 [2020-10-27 22:38:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:02,312 INFO L225 Difference]: With dead ends: 195 [2020-10-27 22:38:02,312 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 22:38:02,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 35 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:38:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 22:38:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 96. [2020-10-27 22:38:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-27 22:38:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2020-10-27 22:38:02,326 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 124 transitions. Word has length 138 [2020-10-27 22:38:02,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:02,327 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 124 transitions. [2020-10-27 22:38:02,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:38:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2020-10-27 22:38:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:38:02,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:02,329 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:02,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:38:02,329 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:02,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:02,330 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 6 times [2020-10-27 22:38:02,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:02,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481961891] [2020-10-27 22:38:02,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:02,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:38:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:38:07,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 22:38:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:07,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:07,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:17,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:17,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:17,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:17,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:17,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:17,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:17,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:17,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:38:17,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:17,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:17,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:17,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:17,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-27 22:38:17,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481961891] [2020-10-27 22:38:17,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:17,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:38:17,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363612029] [2020-10-27 22:38:17,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:38:17,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:17,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:38:17,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:38:17,661 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. Second operand 12 states. [2020-10-27 22:38:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:18,551 INFO L93 Difference]: Finished difference Result 227 states and 326 transitions. [2020-10-27 22:38:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:38:18,552 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-10-27 22:38:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:18,554 INFO L225 Difference]: With dead ends: 227 [2020-10-27 22:38:18,555 INFO L226 Difference]: Without dead ends: 111 [2020-10-27 22:38:18,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:38:18,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-27 22:38:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2020-10-27 22:38:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-27 22:38:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2020-10-27 22:38:18,577 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 111 [2020-10-27 22:38:18,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:18,578 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2020-10-27 22:38:18,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:38:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2020-10-27 22:38:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:38:18,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:18,582 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 14, 11, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:18,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:38:18,582 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:18,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:18,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1962370881, now seen corresponding path program 7 times [2020-10-27 22:38:18,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:18,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611776202] [2020-10-27 22:38:18,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:23,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:23,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:23,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:38:28,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 22:38:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 22:38:28,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:38:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:38:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 22:38:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:38:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:33,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:38,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:38,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:38,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:38,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:39,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:43,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:44,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:44,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:44,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:44,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:44,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:44,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:44,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:44,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:44,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 22:38:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:49,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:49,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:49,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:49,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:49,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:49,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:49,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:49,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:49,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:49,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:49,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:49,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:49,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:49,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:49,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 197 proven. 334 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2020-10-27 22:38:49,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611776202] [2020-10-27 22:38:49,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:49,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:38:49,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014621823] [2020-10-27 22:38:49,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:38:49,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:49,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:38:49,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:38:49,900 INFO L87 Difference]: Start difference. First operand 105 states and 137 transitions. Second operand 18 states. [2020-10-27 22:38:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:51,606 INFO L93 Difference]: Finished difference Result 261 states and 393 transitions. [2020-10-27 22:38:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:38:51,607 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 220 [2020-10-27 22:38:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:51,609 INFO L225 Difference]: With dead ends: 261 [2020-10-27 22:38:51,609 INFO L226 Difference]: Without dead ends: 125 [2020-10-27 22:38:51,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=227, Invalid=1105, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 22:38:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-27 22:38:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 116. [2020-10-27 22:38:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-27 22:38:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 154 transitions. [2020-10-27 22:38:51,624 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 154 transitions. Word has length 220 [2020-10-27 22:38:51,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:51,624 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 154 transitions. [2020-10-27 22:38:51,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:38:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 154 transitions. [2020-10-27 22:38:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 22:38:51,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:51,626 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:51,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 22:38:51,627 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:51,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:51,627 INFO L82 PathProgramCache]: Analyzing trace with hash -737203870, now seen corresponding path program 8 times [2020-10-27 22:38:51,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:51,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785201588] [2020-10-27 22:38:51,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:51,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:38:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:56,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:56,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:39:01,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:39:06,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:39:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:39:06,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:39:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:39:06,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:06,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:06,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:06,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:06,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:06,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:06,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:39:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 745 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:39:07,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:07,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:39:07,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:07,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:07,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:07,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:07,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:07,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:07,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:07,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:39:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:08,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:39:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-10-27 22:39:08,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:39:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:39:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 22:39:09,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:09,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:39:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 204 proven. 64 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2020-10-27 22:39:09,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785201588] [2020-10-27 22:39:09,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:09,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:39:09,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716190905] [2020-10-27 22:39:09,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:39:09,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:09,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:39:09,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:39:09,169 INFO L87 Difference]: Start difference. First operand 116 states and 154 transitions. Second operand 17 states. [2020-10-27 22:39:10,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:10,641 INFO L93 Difference]: Finished difference Result 228 states and 317 transitions. [2020-10-27 22:39:10,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 22:39:10,642 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 152 [2020-10-27 22:39:10,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:10,645 INFO L225 Difference]: With dead ends: 228 [2020-10-27 22:39:10,645 INFO L226 Difference]: Without dead ends: 119 [2020-10-27 22:39:10,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2020-10-27 22:39:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-27 22:39:10,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2020-10-27 22:39:10,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-27 22:39:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 153 transitions. [2020-10-27 22:39:10,664 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 153 transitions. Word has length 152 [2020-10-27 22:39:10,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:10,665 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 153 transitions. [2020-10-27 22:39:10,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:39:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2020-10-27 22:39:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:39:10,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:10,669 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:10,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 22:39:10,669 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:10,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:10,670 INFO L82 PathProgramCache]: Analyzing trace with hash -695303513, now seen corresponding path program 9 times [2020-10-27 22:39:10,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:10,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337712814] [2020-10-27 22:39:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:10,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:39:11,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1241 [2020-10-27 22:39:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 22:39:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 22:39:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-27 22:39:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:12,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:12,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 984 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-10-27 22:39:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:13,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:13,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:13,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:39:13,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-10-27 22:39:13,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 22:39:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:13,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 22:39:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:13,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:14,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:39:14,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:39:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:14,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:39:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:14,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:14,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:14,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:39:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:14,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:14,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:39:14,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:39:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:39:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:14,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:14,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:14,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:39:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:14,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:39:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:14,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:39:14,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:39:14,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:39:14,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:14,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:39:14,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:14,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:14,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:14,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:14,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:14,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:39:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:14,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:14,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:14,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:39:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:14,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:39:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0