/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_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:36:22,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:36:22,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:36:22,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:36:22,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:36:22,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:36:22,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:36:22,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:36:22,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:36:22,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:36:22,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:36:22,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:36:22,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:36:22,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:36:22,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:36:22,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:36:22,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:36:22,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:36:22,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:36:22,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:36:22,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:36:22,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:36:22,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:36:22,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:36:22,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:36:22,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:36:22,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:36:22,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:36:22,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:36:22,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:36:22,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:36:22,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:36:22,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:36:22,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:36:22,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:36:22,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:36:22,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:36:22,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:36:22,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:36:22,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:36:22,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:36:22,265 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 22:36:22,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:36:22,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:36:22,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:36:22,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:36:22,327 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:36:22,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:36:22,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:36:22,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:36:22,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:36:22,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:36:22,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:36:22,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:36:22,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:36:22,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:36:22,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:36:22,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:36:22,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:36:22,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:36:22,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:36:22,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:36:22,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:36:22,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:36:22,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:36:22,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:36:22,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:36:22,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:36:22,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:36:22,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:36:22,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:36:22,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:36:22,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:36:22,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:36:22,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:36:22,837 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:36:22,838 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:36:22,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-1.c [2020-10-27 22:36:22,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61317491f/32cb6de388604d849a8212571fbe0063/FLAG9dc761bcb [2020-10-27 22:36:23,579 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:36:23,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_5-1.c [2020-10-27 22:36:23,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61317491f/32cb6de388604d849a8212571fbe0063/FLAG9dc761bcb [2020-10-27 22:36:23,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61317491f/32cb6de388604d849a8212571fbe0063 [2020-10-27 22:36:23,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:36:23,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:36:23,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:36:23,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:36:23,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:36:23,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:36:23" (1/1) ... [2020-10-27 22:36:23,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47aff4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:23, skipping insertion in model container [2020-10-27 22:36:23,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:36:23" (1/1) ... [2020-10-27 22:36:23,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:36:23,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:36:24,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:36:24,163 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:36:24,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:36:24,200 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:36:24,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24 WrapperNode [2020-10-27 22:36:24,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:36:24,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:36:24,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:36:24,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:36:24,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:36:24,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:36:24,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:36:24,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:36:24,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (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 22:36:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:36:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:36:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:36:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-27 22:36:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:36:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:36:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:36:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:36:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:36:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-27 22:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:36:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:36:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:36:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:36:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:36:24,694 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:36:24,695 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:36:24,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:36:24 BoogieIcfgContainer [2020-10-27 22:36:24,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:36:24,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:36:24,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:36:24,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:36:24,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:36:23" (1/3) ... [2020-10-27 22:36:24,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1727547d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:36:24, skipping insertion in model container [2020-10-27 22:36:24,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (2/3) ... [2020-10-27 22:36:24,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1727547d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:36:24, skipping insertion in model container [2020-10-27 22:36:24,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:36:24" (3/3) ... [2020-10-27 22:36:24,709 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_5-1.c [2020-10-27 22:36:24,725 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:36:24,732 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:36:24,750 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:36:24,811 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:36:24,811 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:36:24,811 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:36:24,812 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:36:24,812 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:36:24,812 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:36:24,812 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:36:24,812 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:36:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 22:36:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:36:24,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:24,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:24,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:24,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:24,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1708859500, now seen corresponding path program 1 times [2020-10-27 22:36:24,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:24,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203464551] [2020-10-27 22:36:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:25,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:25,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:36:25,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-27 22:36:25,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:36:25,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:36:25,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:25,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:25,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:25,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:25,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:36:25,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:25,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:25,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:36:25,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:25,629 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 22:36:25,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203464551] [2020-10-27 22:36:25,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:25,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:36:25,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396681682] [2020-10-27 22:36:25,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:36:25,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:36:25,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:36:25,656 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-27 22:36:26,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:26,014 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-27 22:36:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:36:26,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:36:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:26,039 INFO L225 Difference]: With dead ends: 41 [2020-10-27 22:36:26,039 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 22:36:26,047 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 22:36:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 22:36:26,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 22:36:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:36:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 22:36:26,100 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-10-27 22:36:26,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:26,101 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 22:36:26,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:36:26,101 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 22:36:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:36:26,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:26,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:26,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:36:26,104 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:26,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:26,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2119969838, now seen corresponding path program 1 times [2020-10-27 22:36:26,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:26,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143750104] [2020-10-27 22:36:26,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:26,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:26,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-27 22:36:26,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:26,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:36:26,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:26,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:26,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:36:26,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:36:26,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:36:26,431 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 22:36:26,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143750104] [2020-10-27 22:36:26,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:26,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:36:26,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686715602] [2020-10-27 22:36:26,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:36:26,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:26,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:36:26,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:36:26,436 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-10-27 22:36:26,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:26,662 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-27 22:36:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:36:26,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:36:26,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:26,665 INFO L225 Difference]: With dead ends: 30 [2020-10-27 22:36:26,665 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 22:36:26,666 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 22:36:26,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 22:36:26,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-10-27 22:36:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:36:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 22:36:26,676 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2020-10-27 22:36:26,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:26,677 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 22:36:26,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:36:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 22:36:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:36:26,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:26,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:26,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:36:26,679 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:26,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:26,680 INFO L82 PathProgramCache]: Analyzing trace with hash -308126725, now seen corresponding path program 1 times [2020-10-27 22:36:26,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:26,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738949123] [2020-10-27 22:36:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:36:27,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:27,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-27 22:36:27,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:27,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:36:27,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:27,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:27,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:27,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:36:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:36:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:36:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:27,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:27,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:36:27,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738949123] [2020-10-27 22:36:27,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:27,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:36:27,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172782786] [2020-10-27 22:36:27,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:36:27,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:27,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:36:27,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:36:27,594 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-10-27 22:36:27,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:27,842 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-27 22:36:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:27,842 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-27 22:36:27,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:27,844 INFO L225 Difference]: With dead ends: 41 [2020-10-27 22:36:27,844 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 22:36:27,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:36:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 22:36:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-27 22:36:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-27 22:36:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-27 22:36:27,854 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2020-10-27 22:36:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:27,855 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-27 22:36:27,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:36:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-27 22:36:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:36:27,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:27,857 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:27,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:36:27,857 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1144313053, now seen corresponding path program 1 times [2020-10-27 22:36:27,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:27,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279553249] [2020-10-27 22:36:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:36:28,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-27 22:36:28,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:36:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:28,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:28,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:28,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:28,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 22:36:28,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:28,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:28,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:28,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:28,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:36:28,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279553249] [2020-10-27 22:36:28,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:28,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:36:28,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981463793] [2020-10-27 22:36:28,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:36:28,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:28,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:36:28,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:36:28,525 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 8 states. [2020-10-27 22:36:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:28,787 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-10-27 22:36:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:28,788 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-27 22:36:28,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:28,789 INFO L225 Difference]: With dead ends: 33 [2020-10-27 22:36:28,789 INFO L226 Difference]: Without dead ends: 28 [2020-10-27 22:36:28,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:36:28,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-27 22:36:28,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2020-10-27 22:36:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 22:36:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2020-10-27 22:36:28,799 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 29 [2020-10-27 22:36:28,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:28,800 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2020-10-27 22:36:28,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:36:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2020-10-27 22:36:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:36:28,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:28,801 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:28,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:36:28,802 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:28,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:28,802 INFO L82 PathProgramCache]: Analyzing trace with hash 977084561, now seen corresponding path program 1 times [2020-10-27 22:36:28,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:28,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121320869] [2020-10-27 22:36:28,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:28,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:29,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-10-27 22:36:29,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:29,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:36:29,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:36:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:36:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:29,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:29,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:36:29,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:29,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:29,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:36:29,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121320869] [2020-10-27 22:36:29,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:29,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:36:29,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159147740] [2020-10-27 22:36:29,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:36:29,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:29,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:36:29,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:36:29,444 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 8 states. [2020-10-27 22:36:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:29,784 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2020-10-27 22:36:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:29,785 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 22:36:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:29,787 INFO L225 Difference]: With dead ends: 52 [2020-10-27 22:36:29,787 INFO L226 Difference]: Without dead ends: 33 [2020-10-27 22:36:29,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:36:29,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-27 22:36:29,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-10-27 22:36:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-27 22:36:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-10-27 22:36:29,798 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 30 [2020-10-27 22:36:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:29,798 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-10-27 22:36:29,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:36:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-10-27 22:36:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:36:29,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:29,800 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:29,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:36:29,800 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:29,801 INFO L82 PathProgramCache]: Analyzing trace with hash -53636892, now seen corresponding path program 2 times [2020-10-27 22:36:29,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:29,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449544578] [2020-10-27 22:36:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:36:31,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:31,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-10-27 22:36:31,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:36:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:36:31,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:31,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:31,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:31,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:31,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 781 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:32,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:32,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 22:36:32,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:32,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:32,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:36:32,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:32,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:32,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:32,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:32,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 22:36:32,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449544578] [2020-10-27 22:36:32,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:32,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:36:32,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845071480] [2020-10-27 22:36:32,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:32,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:32,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:32,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:32,469 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 10 states. [2020-10-27 22:36:32,839 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-10-27 22:36:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:33,080 INFO L93 Difference]: Finished difference Result 70 states and 102 transitions. [2020-10-27 22:36:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:33,085 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-10-27 22:36:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:33,087 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:36:33,087 INFO L226 Difference]: Without dead ends: 40 [2020-10-27 22:36:33,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:36:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-27 22:36:33,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2020-10-27 22:36:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 22:36:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2020-10-27 22:36:33,111 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 43 [2020-10-27 22:36:33,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:33,111 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2020-10-27 22:36:33,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2020-10-27 22:36:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 22:36:33,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:33,123 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:33,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:36:33,123 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:33,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:33,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2065181743, now seen corresponding path program 3 times [2020-10-27 22:36:33,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:33,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124326737] [2020-10-27 22:36:33,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:33,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 22:36:38,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:36:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 22:36:38,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:36:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:38,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:38,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:36:43,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:36:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:36:43,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:43,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:43,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-27 22:36:43,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:43,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:43,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:43,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 22:36:43,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:43,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:43,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:36:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:43,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:43,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:43,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:43,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:36:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:44,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 875 [2020-10-27 22:36:44,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:36:44,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:44,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:44,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:44,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:44,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:44,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:44,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:44,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:44,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:44,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:44,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 51 proven. 91 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-27 22:36:44,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124326737] [2020-10-27 22:36:44,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:44,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:36:44,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836828764] [2020-10-27 22:36:44,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:36:44,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:36:44,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:36:44,883 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 8 states. [2020-10-27 22:36:45,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:45,259 INFO L93 Difference]: Finished difference Result 67 states and 97 transitions. [2020-10-27 22:36:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:36:45,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2020-10-27 22:36:45,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:45,261 INFO L225 Difference]: With dead ends: 67 [2020-10-27 22:36:45,261 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:36:45,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:36:45,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 22:36:45,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 22:36:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 22:36:45,272 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 82 [2020-10-27 22:36:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:45,273 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 22:36:45,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:36:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 22:36:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:36:45,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:45,275 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:45,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:36:45,276 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:45,276 INFO L82 PathProgramCache]: Analyzing trace with hash -756009077, now seen corresponding path program 4 times [2020-10-27 22:36:45,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:45,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009160913] [2020-10-27 22:36:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:36:50,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:36:50,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:36:50,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:36:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:36:50,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:50,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:50,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:55,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:36:55,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:36:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:55,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:55,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:57,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:57,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2045 [2020-10-27 22:36:57,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:36:57,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:57,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 22:36:57,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:57,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:57,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:57,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:57,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:57,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:57,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:57,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:57,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:58,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:58,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:58,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:58,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:58,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:58,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:58,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:58,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:58,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:58,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:36:58,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:58,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:58,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 76 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-27 22:36:58,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009160913] [2020-10-27 22:36:58,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:58,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:36:58,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620971755] [2020-10-27 22:36:58,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:36:58,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:58,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:36:58,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:36:58,331 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 12 states. [2020-10-27 22:36:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:59,441 INFO L93 Difference]: Finished difference Result 85 states and 131 transitions. [2020-10-27 22:36:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:36:59,443 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-27 22:36:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:59,445 INFO L225 Difference]: With dead ends: 85 [2020-10-27 22:36:59,445 INFO L226 Difference]: Without dead ends: 55 [2020-10-27 22:36:59,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:36:59,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-27 22:36:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2020-10-27 22:36:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-27 22:36:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2020-10-27 22:36:59,460 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 84 [2020-10-27 22:36:59,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:59,460 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2020-10-27 22:36:59,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:36:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2020-10-27 22:36:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:36:59,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:59,467 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:59,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:36:59,467 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:59,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:59,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1296121057, now seen corresponding path program 5 times [2020-10-27 22:36:59,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:59,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961365674] [2020-10-27 22:36:59,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:59,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:00,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:37:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 545 [2020-10-27 22:37:00,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 22:37:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:37:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 22:37:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:00,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:37:00,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:00,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:00,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:37:00,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-27 22:37:00,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:37:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 22:37:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:37:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:00,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:00,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:00,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:00,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 22:37:00,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:37:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 22:37:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:01,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:37:01,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:37:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:37:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:01,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:37:01,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:37:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:01,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:01,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:37:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:01,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:01,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:01,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:01,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:01,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:37:01,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:01,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:01,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:37:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:01,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:01,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:01,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:01,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 22:37:01,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:01,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:37:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:37:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:01,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:01,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:37:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:01,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:01,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2020-10-27 22:37:01,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961365674] [2020-10-27 22:37:01,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:01,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:37:01,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121006466] [2020-10-27 22:37:01,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:37:01,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:01,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:37:01,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:37:01,687 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 18 states. [2020-10-27 22:37:02,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:02,942 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2020-10-27 22:37:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 22:37:02,943 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 111 [2020-10-27 22:37:02,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:02,945 INFO L225 Difference]: With dead ends: 63 [2020-10-27 22:37:02,945 INFO L226 Difference]: Without dead ends: 58 [2020-10-27 22:37:02,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=892, Unknown=0, NotChecked=0, Total=992 [2020-10-27 22:37:02,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-27 22:37:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2020-10-27 22:37:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-27 22:37:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-10-27 22:37:02,960 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 111 [2020-10-27 22:37:02,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:02,960 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-10-27 22:37:02,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:37:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-10-27 22:37:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 22:37:02,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:02,963 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:02,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:37:02,964 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:02,964 INFO L82 PathProgramCache]: Analyzing trace with hash -73042607, now seen corresponding path program 6 times [2020-10-27 22:37:02,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:02,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843044794] [2020-10-27 22:37:02,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:08,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:37:08,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:37:08,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:08,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:37:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:37:08,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:08,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:08,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:37:13,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:37:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 22:37:13,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:37:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:37:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:18,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 996 [2020-10-27 22:37:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:19,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 22:37:19,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:19,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:19,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:19,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:19,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:19,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:19,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:19,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:19,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:19,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:19,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:19,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:19,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:19,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:19,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:19,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:19,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:19,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:19,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:24,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:24,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:24,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:24,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:24,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:24,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:24,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:24,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:24,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:24,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:24,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:24,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 22:37:24,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:24,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:37:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:24,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:24,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:24,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:24,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:24,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:24,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 184 proven. 348 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2020-10-27 22:37:24,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843044794] [2020-10-27 22:37:24,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:24,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 22:37:24,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549360321] [2020-10-27 22:37:24,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 22:37:24,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:24,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 22:37:24,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:37:24,812 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 19 states. [2020-10-27 22:37:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:26,538 INFO L93 Difference]: Finished difference Result 116 states and 179 transitions. [2020-10-27 22:37:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 22:37:26,539 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2020-10-27 22:37:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:26,542 INFO L225 Difference]: With dead ends: 116 [2020-10-27 22:37:26,542 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 22:37:26,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=304, Invalid=1028, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 22:37:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 22:37:26,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2020-10-27 22:37:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-27 22:37:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2020-10-27 22:37:26,558 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 138 [2020-10-27 22:37:26,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:26,559 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2020-10-27 22:37:26,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 22:37:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2020-10-27 22:37:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 22:37:26,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:26,562 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:26,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:37:26,562 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:26,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:26,562 INFO L82 PathProgramCache]: Analyzing trace with hash 885828711, now seen corresponding path program 7 times [2020-10-27 22:37:26,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:26,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446464717] [2020-10-27 22:37:26,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:26,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:37:31,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:37:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:37:31,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:37:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 22:37:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:31,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:31,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:36,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:37:36,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:37:36,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:37:36,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:37:36,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 22:37:36,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:36,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:36,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 22:37:41,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:45,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:37:45,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3696 [2020-10-27 22:37:45,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:45,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:45,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:45,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:45,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:45,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:45,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:45,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:45,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:45,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:45,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:45,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:45,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:45,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:37:45,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:45,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:45,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:45,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,735 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: 9 [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: 4 [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: 5 [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: 7 [2020-10-27 22:37:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 22:37:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:45,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:45,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:37:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:45,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:45,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:45,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:45,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:45,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:45,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:45,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 247 proven. 197 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2020-10-27 22:37:45,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446464717] [2020-10-27 22:37:45,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:45,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:37:45,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260606860] [2020-10-27 22:37:45,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:37:45,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:45,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:37:45,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:37:45,838 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand 14 states. [2020-10-27 22:37:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:46,793 INFO L93 Difference]: Finished difference Result 114 states and 144 transitions. [2020-10-27 22:37:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:37:46,794 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2020-10-27 22:37:46,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:46,795 INFO L225 Difference]: With dead ends: 114 [2020-10-27 22:37:46,795 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 22:37:46,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:37:46,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 22:37:46,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-27 22:37:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 22:37:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2020-10-27 22:37:46,808 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 138 [2020-10-27 22:37:46,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:46,808 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2020-10-27 22:37:46,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:37:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2020-10-27 22:37:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:37:46,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:46,811 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:46,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:37:46,811 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:46,812 INFO L82 PathProgramCache]: Analyzing trace with hash -732775580, now seen corresponding path program 8 times [2020-10-27 22:37:46,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:46,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268558172] [2020-10-27 22:37:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:46,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:46,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:46,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:46,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:51,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:37:51,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:37:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:37:51,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:37:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 22:37:51,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:51,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:51,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:51,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:51,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:51,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:51,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:51,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:37:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:01,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:38:01,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:01,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:02,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:07,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:07,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:07,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:07,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:07,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:07,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:07,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:07,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:07,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:07,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:07,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:07,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:07,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:07,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:07,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:07,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:38:07,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:07,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:07,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:08,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:08,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:08,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:08,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:08,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:38:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:08,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:38:08,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:08,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:08,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:08,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:08,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:08,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:08,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:08,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:08,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:08,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:08,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:08,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 161 proven. 429 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2020-10-27 22:38:08,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268558172] [2020-10-27 22:38:08,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:08,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 22:38:08,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548443720] [2020-10-27 22:38:08,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 22:38:08,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:08,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 22:38:08,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:38:08,263 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand 15 states. [2020-10-27 22:38:09,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:09,249 INFO L93 Difference]: Finished difference Result 115 states and 153 transitions. [2020-10-27 22:38:09,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:38:09,251 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 179 [2020-10-27 22:38:09,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:09,252 INFO L225 Difference]: With dead ends: 115 [2020-10-27 22:38:09,252 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:38:09,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-10-27 22:38:09,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:38:09,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:38:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:38:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:38:09,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-10-27 22:38:09,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:09,254 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:38:09,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 22:38:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:38:09,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:38:09,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:38:09,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:38:10,407 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 6 [2020-10-27 22:38:10,957 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 27 [2020-10-27 22:38:10,962 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 22:38:10,962 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 22:38:10,963 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 22:38:10,963 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 22:38:10,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:38:10,963 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 22:38:10,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:38:10,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:38:10,963 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 22:38:10,963 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:38:10,963 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:38:10,963 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 25 32) the Hoare annotation is: true [2020-10-27 22:38:10,963 INFO L270 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: false [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L270 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~x~0 5) (<= 5 main_~x~0)) [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 25 32) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 25 32) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point fiboEXIT(lines 7 15) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L274 CegarLoopResult]: For program point fiboFINAL(lines 7 15) no Hoare annotation was computed. [2020-10-27 22:38:10,964 INFO L270 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (<= 2 |fibo_#in~n|) (= fibo_~n |fibo_#in~n|)) [2020-10-27 22:38:10,965 INFO L274 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-27 22:38:10,966 INFO L270 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= fibo_~n |fibo_#in~n|))) (or (and (<= 5 |fibo_#in~n|) (<= |fibo_#t~ret7| 3) .cse0 (<= 3 |fibo_#t~ret7|)) (and .cse0 (<= 6 |fibo_#in~n|)) (and (<= |fibo_#t~ret7| 2) (<= fibo_~n 4) .cse0 (<= 2 |fibo_#t~ret7|) (<= 4 |fibo_#in~n|)) (and (< 1 fibo_~n) (<= |fibo_#t~ret7| 1) (<= 1 |fibo_#t~ret7|) .cse0 (<= |fibo_#in~n| 3)))) [2020-10-27 22:38:10,966 INFO L274 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-10-27 22:38:10,966 INFO L274 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-10-27 22:38:10,966 INFO L274 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-10-27 22:38:10,966 INFO L277 CegarLoopResult]: At program point fiboENTRY(lines 7 15) the Hoare annotation is: true [2020-10-27 22:38:10,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:38:10 BoogieIcfgContainer [2020-10-27 22:38:10,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:38:10,973 INFO L168 Benchmark]: Toolchain (without parser) took 107017.69 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 126.7 MB in the beginning and 490.9 MB in the end (delta: -364.3 MB). Peak memory consumption was 394.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:10,973 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 125.8 MB. Free memory is still 100.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:38:10,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.89 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 116.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:10,974 INFO L168 Benchmark]: Boogie Preprocessor took 35.69 ms. Allocated memory is still 151.0 MB. Free memory was 116.9 MB in the beginning and 115.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:10,975 INFO L168 Benchmark]: RCFGBuilder took 457.79 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 102.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:10,976 INFO L168 Benchmark]: TraceAbstraction took 106272.10 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 102.3 MB in the beginning and 490.9 MB in the end (delta: -388.6 MB). Peak memory consumption was 369.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:38:10,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 125.8 MB. Free memory is still 100.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 239.89 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 116.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.69 ms. Allocated memory is still 151.0 MB. Free memory was 116.9 MB in the beginning and 115.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 457.79 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 102.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 106272.10 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 102.3 MB in the beginning and 490.9 MB in the end (delta: -388.6 MB). Peak memory consumption was 369.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 104.4s, OverallIterations: 12, TraceHistogramMax: 25, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 544 SDslu, 449 SDs, 0 SdLazy, 2126 SolverSat, 529 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 270 SyntacticMatches, 10 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 29 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 168 PreInvPairs, 351 NumberOfFragments, 104 HoareAnnotationTreeSize, 168 FomulaSimplifications, 8754 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 10 FomulaSimplificationsInter, 3755 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 94.9s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 881 ConstructedInterpolants, 0 QuantifiedInterpolants, 243016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 3343/4757 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...