/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:04:33,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:04:33,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:04:33,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:04:33,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:04:33,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:04:33,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:04:33,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:04:33,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:04:33,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:04:33,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:04:33,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:04:33,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:04:33,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:04:33,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:04:33,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:04:33,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:04:33,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:04:33,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:04:33,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:04:33,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:04:33,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:04:33,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:04:33,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:04:33,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:04:33,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:04:33,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:04:33,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:04:33,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:04:33,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:04:33,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:04:33,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:04:33,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:04:33,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:04:33,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:04:33,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:04:33,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:04:33,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:04:33,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:04:33,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:04:33,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:04:33,440 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 04:04:33,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:04:33,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:04:33,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:04:33,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:04:33,505 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:04:33,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:04:33,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:04:33,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:04:33,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:04:33,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:04:33,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:04:33,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:04:33,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:04:33,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:04:33,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:04:33,508 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:04:33,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:04:33,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:04:33,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:04:33,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:04:33,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:04:33,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:04:33,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:04:33,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:04:33,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:04:33,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:04:33,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:04:33,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:04:33,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:04:33,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:04:33,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:04:33,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:04:33,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:04:33,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:04:33,978 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:04:33,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-27 04:04:34,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8409d3482/ccab91af8fd24e3a9448cfb4b26bbb57/FLAGe3fbfc7ea [2020-10-27 04:04:34,854 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:04:34,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-27 04:04:34,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8409d3482/ccab91af8fd24e3a9448cfb4b26bbb57/FLAGe3fbfc7ea [2020-10-27 04:04:35,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8409d3482/ccab91af8fd24e3a9448cfb4b26bbb57 [2020-10-27 04:04:35,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:04:35,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:04:35,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:04:35,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:04:35,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:04:35,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b19597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35, skipping insertion in model container [2020-10-27 04:04:35,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:04:35,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:04:35,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:04:35,442 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:04:35,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:04:35,475 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:04:35,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35 WrapperNode [2020-10-27 04:04:35,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:04:35,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:04:35,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:04:35,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:04:35,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (1/1) ... [2020-10-27 04:04:35,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:04:35,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:04:35,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:04:35,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:04:35,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (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 04:04:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:04:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:04:35,602 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:04:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 04:04:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 04:04:35,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:04:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:04:35,603 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:04:35,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:04:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:04:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:04:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:04:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:04:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:04:35,996 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:04:35,997 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 04:04:35,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:04:35 BoogieIcfgContainer [2020-10-27 04:04:35,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:04:36,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:04:36,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:04:36,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:04:36,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:04:35" (1/3) ... [2020-10-27 04:04:36,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2818aad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:04:36, skipping insertion in model container [2020-10-27 04:04:36,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:35" (2/3) ... [2020-10-27 04:04:36,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2818aad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:04:36, skipping insertion in model container [2020-10-27 04:04:36,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:04:35" (3/3) ... [2020-10-27 04:04:36,016 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-10-27 04:04:36,029 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:04:36,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:04:36,051 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:04:36,108 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:04:36,108 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:04:36,108 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:04:36,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:04:36,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:04:36,109 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:04:36,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:04:36,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:04:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 04:04:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 04:04:36,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:36,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:36,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:36,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:36,193 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 04:04:36,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:36,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470509049] [2020-10-27 04:04:36,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 04:04:37,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-27 04:04:37,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:37,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:04:37,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:37,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:04:37,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:37,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:37,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:04:37,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:37,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:37,277 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 04:04:37,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470509049] [2020-10-27 04:04:37,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:37,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:04:37,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725427014] [2020-10-27 04:04:37,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:04:37,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:37,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:04:37,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:04:37,311 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 04:04:37,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:37,705 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 04:04:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:04:37,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 04:04:37,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:37,718 INFO L225 Difference]: With dead ends: 50 [2020-10-27 04:04:37,719 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 04:04:37,723 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 04:04:37,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 04:04:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 04:04:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:04:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:04:37,781 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 04:04:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:37,782 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:04:37,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:04:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:04:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 04:04:37,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:37,786 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:37,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:04:37,786 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:37,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:37,788 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 04:04:37,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:37,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851869229] [2020-10-27 04:04:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:40,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 04:04:40,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2364 [2020-10-27 04:04:40,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:04:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:40,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:40,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:40,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:40,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:40,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:40,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 04:04:40,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:40,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:40,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:40,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:40,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:40,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:04:40,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:40,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:40,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:40,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:40,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:40,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:40,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:04:40,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:04:40,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851869229] [2020-10-27 04:04:40,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:40,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 04:04:40,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781040258] [2020-10-27 04:04:40,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:40,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:40,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:40,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:40,538 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-27 04:04:40,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:40,981 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-27 04:04:40,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:40,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 04:04:40,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:40,984 INFO L225 Difference]: With dead ends: 44 [2020-10-27 04:04:40,984 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 04:04:40,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 04:04:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-27 04:04:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:04:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:04:40,999 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-27 04:04:41,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:41,000 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:04:41,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:04:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 04:04:41,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:41,002 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:41,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:04:41,003 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:41,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:41,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 04:04:41,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:41,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378586808] [2020-10-27 04:04:41,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:41,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:04:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:04:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1826 [2020-10-27 04:04:42,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 04:04:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:42,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:42,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:42,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:42,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:42,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:42,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:42,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:42,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:42,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:43,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:04:43,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:43,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-27 04:04:43,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:43,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:43,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:43,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:43,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:43,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:04:43,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:43,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:43,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:43,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:43,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:43,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:04:43,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378586808] [2020-10-27 04:04:43,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:43,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:04:43,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058570467] [2020-10-27 04:04:43,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:43,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:43,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:43,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:43,190 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-27 04:04:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:43,560 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-27 04:04:43,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:43,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 04:04:43,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:43,564 INFO L225 Difference]: With dead ends: 52 [2020-10-27 04:04:43,564 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 04:04:43,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:43,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 04:04:43,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2020-10-27 04:04:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 04:04:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2020-10-27 04:04:43,579 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 51 transitions. Word has length 30 [2020-10-27 04:04:43,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:43,579 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 51 transitions. [2020-10-27 04:04:43,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2020-10-27 04:04:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 04:04:43,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:43,582 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:43,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:04:43,582 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:43,583 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-27 04:04:43,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:43,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633341348] [2020-10-27 04:04:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:43,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:45,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:04:48,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:04:48,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:04:48,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:48,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 04:04:48,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:48,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:48,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:48,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:48,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:48,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:48,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:04:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:04:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-27 04:04:50,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:04:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:50,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:50,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:50,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 04:04:50,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:04:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:50,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:50,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:50,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:50,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:50,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:50,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:04:50,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:50,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:50,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:50,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 04:04:50,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633341348] [2020-10-27 04:04:50,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:50,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:04:50,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744255703] [2020-10-27 04:04:50,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:50,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:50,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:50,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:50,478 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. Second operand 8 states. [2020-10-27 04:04:50,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:50,882 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-27 04:04:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:50,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-10-27 04:04:50,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:50,885 INFO L225 Difference]: With dead ends: 52 [2020-10-27 04:04:50,885 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 04:04:50,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:50,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 04:04:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 37. [2020-10-27 04:04:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:04:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:04:50,906 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 42 [2020-10-27 04:04:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:50,907 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:04:50,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:04:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 04:04:50,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:50,914 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:50,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:04:50,914 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:50,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-27 04:04:50,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:50,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614865606] [2020-10-27 04:04:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:55,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 04:04:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:04:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:04:55,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 04:04:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:55,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:55,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:55,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:05:00,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:05:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:05:00,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:05:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:01,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:01,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 04:05:01,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:01,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 04:05:01,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614865606] [2020-10-27 04:05:01,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:01,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:05:01,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395079833] [2020-10-27 04:05:01,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:05:01,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:01,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:05:01,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:05:01,263 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 9 states. [2020-10-27 04:05:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:01,759 INFO L93 Difference]: Finished difference Result 58 states and 83 transitions. [2020-10-27 04:05:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:05:01,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-27 04:05:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:01,763 INFO L225 Difference]: With dead ends: 58 [2020-10-27 04:05:01,763 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 04:05:01,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:05:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 04:05:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-27 04:05:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 04:05:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2020-10-27 04:05:01,788 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 54 [2020-10-27 04:05:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:01,789 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2020-10-27 04:05:01,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:05:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-10-27 04:05:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 04:05:01,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:01,790 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:01,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:05:01,791 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:01,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:01,791 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-27 04:05:01,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:01,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067915952] [2020-10-27 04:05:01,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:06,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:05:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:06,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:06,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:06,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:06,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:05:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:05:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 04:05:12,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:05:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:12,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:12,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:12,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 04:05:12,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067915952] [2020-10-27 04:05:12,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:12,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:05:12,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378465029] [2020-10-27 04:05:12,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:05:12,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:12,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:05:12,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:05:12,169 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 10 states. [2020-10-27 04:05:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:12,748 INFO L93 Difference]: Finished difference Result 111 states and 202 transitions. [2020-10-27 04:05:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:05:12,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-27 04:05:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:12,752 INFO L225 Difference]: With dead ends: 111 [2020-10-27 04:05:12,752 INFO L226 Difference]: Without dead ends: 72 [2020-10-27 04:05:12,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:05:12,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-27 04:05:12,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 69. [2020-10-27 04:05:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-27 04:05:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 112 transitions. [2020-10-27 04:05:12,775 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 112 transitions. Word has length 58 [2020-10-27 04:05:12,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:12,775 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 112 transitions. [2020-10-27 04:05:12,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:05:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2020-10-27 04:05:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 04:05:12,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:12,778 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:12,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:05:12,779 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:12,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:12,779 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-27 04:05:12,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:12,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089257310] [2020-10-27 04:05:12,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:05:17,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:17,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:17,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:17,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:17,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:17,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:17,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:17,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:17,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:17,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:17,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:19,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:05:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:22,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:22,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:24,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:05:24,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:05:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1322 [2020-10-27 04:05:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:05:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:24,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:24,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:24,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:24,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 04:05:24,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:24,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:24,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:24,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:24,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:24,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:24,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:24,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:24,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:24,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:05:24,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:24,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:24,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:24,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:24,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:05:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:24,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:05:25,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:25,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 04:05:25,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:05:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:25,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:25,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:25,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:25,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:25,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:05:25,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:25,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-27 04:05:25,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089257310] [2020-10-27 04:05:25,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:25,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 04:05:25,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249152122] [2020-10-27 04:05:25,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 04:05:25,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:25,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 04:05:25,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:05:25,335 INFO L87 Difference]: Start difference. First operand 69 states and 112 transitions. Second operand 19 states. [2020-10-27 04:05:26,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:26,874 INFO L93 Difference]: Finished difference Result 171 states and 351 transitions. [2020-10-27 04:05:26,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 04:05:26,875 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2020-10-27 04:05:26,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:26,881 INFO L225 Difference]: With dead ends: 171 [2020-10-27 04:05:26,882 INFO L226 Difference]: Without dead ends: 100 [2020-10-27 04:05:26,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=207, Invalid=1125, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 04:05:26,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-27 04:05:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2020-10-27 04:05:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 04:05:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-10-27 04:05:26,936 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 82 [2020-10-27 04:05:26,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:26,938 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-10-27 04:05:26,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 04:05:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-10-27 04:05:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 04:05:26,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:26,944 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:26,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:05:26,944 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:26,947 INFO L82 PathProgramCache]: Analyzing trace with hash -2000282779, now seen corresponding path program 1 times [2020-10-27 04:05:26,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:26,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327174154] [2020-10-27 04:05:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:26,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:31,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 04:05:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:32,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:32,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:32,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:32,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:32,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:37,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 04:05:37,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:05:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:05:37,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:05:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:05:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 04:05:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:05:40,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 04:05:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3584 [2020-10-27 04:05:40,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:05:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 04:05:40,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:40,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:40,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 04:05:40,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:40,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:05:40,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:40,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:05:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:05:41,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-27 04:05:41,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:41,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:41,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:05:41,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 04:05:41,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:41,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:05:41,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:41,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:41,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:41,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:41,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:41,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:41,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:41,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:41,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:05:41,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:41,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 04:05:41,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327174154] [2020-10-27 04:05:41,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:41,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 04:05:41,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654310419] [2020-10-27 04:05:41,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 04:05:41,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:41,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 04:05:41,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:05:41,424 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 16 states. [2020-10-27 04:05:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:42,929 INFO L93 Difference]: Finished difference Result 270 states and 482 transitions. [2020-10-27 04:05:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:05:42,930 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 99 [2020-10-27 04:05:42,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:42,934 INFO L225 Difference]: With dead ends: 270 [2020-10-27 04:05:42,935 INFO L226 Difference]: Without dead ends: 162 [2020-10-27 04:05:42,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2020-10-27 04:05:42,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-27 04:05:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 140. [2020-10-27 04:05:43,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-27 04:05:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 206 transitions. [2020-10-27 04:05:43,005 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 206 transitions. Word has length 99 [2020-10-27 04:05:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:43,006 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 206 transitions. [2020-10-27 04:05:43,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 04:05:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 206 transitions. [2020-10-27 04:05:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 04:05:43,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:43,013 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:43,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:05:43,014 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:43,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:43,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1295541932, now seen corresponding path program 1 times [2020-10-27 04:05:43,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:43,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980084456] [2020-10-27 04:05:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:43,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:48,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 04:05:48,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:05:48,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:05:48,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 04:05:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:48,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:48,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 04:05:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 04:05:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:53,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:54,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:58,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 04:05:58,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 04:05:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:05:58,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:05:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:05:58,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:58,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:05:59,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:05:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-27 04:05:59,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:59,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:59,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 04:05:59,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:59,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:59,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:59,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:59,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:59,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:59,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:05:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:59,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:59,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:59,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:59,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:59,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:59,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 04:05:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4114 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:06:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:03,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:03,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:06:04,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-27 04:06:04,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:06:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:06:04,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 04:06:04,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:04,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:04,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:04,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:06:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:04,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:04,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:04,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:06:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:04,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:04,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:04,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:04,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:06:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:04,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:04,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:04,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 82 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-10-27 04:06:04,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980084456] [2020-10-27 04:06:04,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:04,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 04:06:04,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090333170] [2020-10-27 04:06:04,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 04:06:04,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:04,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 04:06:04,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:06:04,606 INFO L87 Difference]: Start difference. First operand 140 states and 206 transitions. Second operand 25 states. [2020-10-27 04:06:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:06,311 INFO L93 Difference]: Finished difference Result 279 states and 448 transitions. [2020-10-27 04:06:06,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 04:06:06,312 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 122 [2020-10-27 04:06:06,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:06,314 INFO L225 Difference]: With dead ends: 279 [2020-10-27 04:06:06,315 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 04:06:06,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=268, Invalid=1538, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 04:06:06,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 04:06:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 122. [2020-10-27 04:06:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-27 04:06:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 166 transitions. [2020-10-27 04:06:06,343 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 166 transitions. Word has length 122 [2020-10-27 04:06:06,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:06,343 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 166 transitions. [2020-10-27 04:06:06,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 04:06:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 166 transitions. [2020-10-27 04:06:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 04:06:06,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:06,347 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:06,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:06:06,347 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:06,348 INFO L82 PathProgramCache]: Analyzing trace with hash 182861805, now seen corresponding path program 1 times [2020-10-27 04:06:06,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:06,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832247528] [2020-10-27 04:06:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:06,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:06:11,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:11,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-27 04:06:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:21,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:06:21,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:06:21,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:06:21,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:06:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:06:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:21,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1236 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:22,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:22,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:22,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:22,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:22,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:22,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:22,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:22,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:22,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:22,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:22,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:22,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:22,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:22,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:22,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:22,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:23,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-27 04:06:23,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:23,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:23,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:23,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:23,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:23,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:23,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 04:06:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:28,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:06:28,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:06:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:06:28,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 04:06:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:29,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:29,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:06:29,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:29,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:29,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:29,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:29,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:29,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:29,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 149 proven. 230 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-10-27 04:06:29,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832247528] [2020-10-27 04:06:29,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:29,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 04:06:29,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291173472] [2020-10-27 04:06:29,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 04:06:29,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:29,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 04:06:29,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:06:29,413 INFO L87 Difference]: Start difference. First operand 122 states and 166 transitions. Second operand 19 states. [2020-10-27 04:06:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:30,804 INFO L93 Difference]: Finished difference Result 254 states and 391 transitions. [2020-10-27 04:06:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:06:30,804 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 166 [2020-10-27 04:06:30,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:30,807 INFO L225 Difference]: With dead ends: 254 [2020-10-27 04:06:30,807 INFO L226 Difference]: Without dead ends: 146 [2020-10-27 04:06:30,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 04:06:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-27 04:06:30,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 134. [2020-10-27 04:06:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-27 04:06:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 184 transitions. [2020-10-27 04:06:30,829 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 184 transitions. Word has length 166 [2020-10-27 04:06:30,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:30,831 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 184 transitions. [2020-10-27 04:06:30,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 04:06:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2020-10-27 04:06:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 04:06:30,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:30,835 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:30,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:06:30,836 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:30,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:30,836 INFO L82 PathProgramCache]: Analyzing trace with hash 621202740, now seen corresponding path program 2 times [2020-10-27 04:06:30,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:30,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973463693] [2020-10-27 04:06:30,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:32,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-27 04:06:35,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:06:35,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 04:06:35,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:06:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:35,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:35,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:35,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:35,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:35,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:35,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:35,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:40,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:06:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:40,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:40,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 04:06:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:47,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:48,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:06:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:51,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:51,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:51,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:51,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:51,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:51,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:51,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:51,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:51,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:51,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:51,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:51,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:51,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:51,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:51,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:51,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:51,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 04:06:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:51,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:52,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:56,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:06:56,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:06:56,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:56,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:56,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:56,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:56,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 04:06:56,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:56,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:57,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2004 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:06:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:58,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:58,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:06:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 631 [2020-10-27 04:06:59,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:06:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:06:59,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:59,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:59,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 04:06:59,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:59,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:59,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:06:59,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:59,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:59,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:59,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:59,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:59,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:06:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 04:06:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:59,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:06:59,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 04:06:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:59,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:59,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:59,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:59,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 164 proven. 228 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-10-27 04:06:59,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973463693] [2020-10-27 04:06:59,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:59,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:06:59,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308889423] [2020-10-27 04:06:59,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:06:59,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:59,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:06:59,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:06:59,574 INFO L87 Difference]: Start difference. First operand 134 states and 184 transitions. Second operand 24 states. [2020-10-27 04:07:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:00,993 INFO L93 Difference]: Finished difference Result 270 states and 424 transitions. [2020-10-27 04:07:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:07:00,994 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 165 [2020-10-27 04:07:00,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:00,999 INFO L225 Difference]: With dead ends: 270 [2020-10-27 04:07:00,999 INFO L226 Difference]: Without dead ends: 141 [2020-10-27 04:07:01,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=230, Invalid=1330, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 04:07:01,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-27 04:07:01,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 128. [2020-10-27 04:07:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-27 04:07:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions. [2020-10-27 04:07:01,035 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 165 [2020-10-27 04:07:01,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:01,036 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions. [2020-10-27 04:07:01,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:07:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2020-10-27 04:07:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 04:07:01,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:07:01,041 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:07:01,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:07:01,041 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:07:01,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:07:01,042 INFO L82 PathProgramCache]: Analyzing trace with hash 980388981, now seen corresponding path program 3 times [2020-10-27 04:07:01,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:07:01,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872524429] [2020-10-27 04:07:01,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:07:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:01,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:07:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:06,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:06,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:06,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:06,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:06,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:06,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:07,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:11,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 04:07:11,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 04:07:11,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 04:07:11,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 04:07:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 04:07:11,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:11,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:11,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:17,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:17,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:17,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:07:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:07:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:07:21,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:07:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:07:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:07:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:21,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:21,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:21,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:21,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:07:21,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:07:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:21,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:21,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:21,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:21,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:21,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:21,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:21,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:21,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:21,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:21,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 04:07:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-27 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:22,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:22,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:22,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:22,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:22,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 04:07:22,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:22,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:22,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:22,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:22,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:07:22,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:22,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:22,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:22,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:22,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:22,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:22,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 04:07:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:22,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:27,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 04:07:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:27,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:27,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:27,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:32,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:07:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:32,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:32,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:32,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:37,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:37,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:07:37,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:07:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:07:37,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:07:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:07:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:37,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:37,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:37,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:37,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 854 [2020-10-27 04:07:38,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:07:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:07:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:38,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 04:07:38,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:38,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:07:38,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:38,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:38,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:38,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:38,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:38,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:07:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:38,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:38,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:07:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:38,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:38,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:38,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:38,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:38,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:38,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:38,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:38,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:38,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:38,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:38,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:07:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:38,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:38,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:38,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:38,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:38,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:07:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 308 proven. 455 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2020-10-27 04:07:38,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872524429] [2020-10-27 04:07:38,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:07:38,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 04:07:38,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685301135] [2020-10-27 04:07:38,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 04:07:38,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:07:38,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 04:07:38,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2020-10-27 04:07:38,944 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand 31 states. [2020-10-27 04:07:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:40,970 INFO L93 Difference]: Finished difference Result 238 states and 347 transitions. [2020-10-27 04:07:40,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 04:07:40,974 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 220 [2020-10-27 04:07:40,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:40,976 INFO L225 Difference]: With dead ends: 238 [2020-10-27 04:07:40,976 INFO L226 Difference]: Without dead ends: 118 [2020-10-27 04:07:40,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=368, Invalid=2388, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 04:07:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-27 04:07:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-10-27 04:07:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 04:07:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2020-10-27 04:07:40,991 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 220 [2020-10-27 04:07:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:40,991 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2020-10-27 04:07:40,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 04:07:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2020-10-27 04:07:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-27 04:07:40,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:07:40,997 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 22, 22, 19, 18, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 8, 6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:07:40,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 04:07:40,997 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:07:40,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:07:40,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1410720133, now seen corresponding path program 4 times [2020-10-27 04:07:40,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:07:40,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397825987] [2020-10-27 04:07:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:07:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:43,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:43,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:43,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:43,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:46,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 430 [2020-10-27 04:07:46,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:07:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 04:07:46,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 04:07:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:46,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:46,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:46,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:46,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:46,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-10-27 04:07:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:51,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:51,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:51,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:07:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:07:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 04:07:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:56,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:56,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:08:01,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:08:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:08:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:01,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:01,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:01,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:08:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:08:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:01,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:01,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:01,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:01,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:08:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:01,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:01,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:02,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:02,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 04:08:06,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:08:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:08:06,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:08:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 04:08:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:08:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:06,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:08:06,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:06,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:06,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:08:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:06,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:08:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:06,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:08:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 04:08:06,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:06,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:08:06,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:06,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:06,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:06,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:08:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:08:06,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:08:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:07,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:07,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:07,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:08:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 04:08:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:07,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:09,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:12,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 04:08:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 04:08:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 04:08:12,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:08:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-27 04:08:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:12,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:12,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:08:17,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:08:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:08:17,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:08:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:08:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:17,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:08:17,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 875 [2020-10-27 04:08:17,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:08:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:08:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:18,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:08:18,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 04:08:18,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:08:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:08:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:18,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:18,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:18,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:08:18,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:08:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:08:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:18,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:18,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:18,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:18,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:18,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:08:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:18,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:18,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 04:08:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:08:23,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:08:23,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:23,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:23,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:08:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:23,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:08:23,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:23,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:23,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:08:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:23,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:08:23,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:23,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:23,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:23,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:23,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:23,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:23,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2932 backedges. 474 proven. 800 refuted. 0 times theorem prover too weak. 1658 trivial. 0 not checked. [2020-10-27 04:08:23,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397825987] [2020-10-27 04:08:23,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:08:23,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 04:08:23,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427852425] [2020-10-27 04:08:23,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 04:08:23,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:08:23,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 04:08:23,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2020-10-27 04:08:23,350 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand 22 states. [2020-10-27 04:08:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:08:25,663 INFO L93 Difference]: Finished difference Result 231 states and 325 transitions. [2020-10-27 04:08:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 04:08:25,663 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 328 [2020-10-27 04:08:25,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:08:25,667 INFO L225 Difference]: With dead ends: 231 [2020-10-27 04:08:25,667 INFO L226 Difference]: Without dead ends: 135 [2020-10-27 04:08:25,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=377, Invalid=2379, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 04:08:25,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-27 04:08:25,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 132. [2020-10-27 04:08:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-27 04:08:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2020-10-27 04:08:25,685 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 328 [2020-10-27 04:08:25,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:08:25,686 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2020-10-27 04:08:25,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 04:08:25,686 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2020-10-27 04:08:25,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 04:08:25,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:08:25,689 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:08:25,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 04:08:25,689 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:08:25,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:08:25,690 INFO L82 PathProgramCache]: Analyzing trace with hash -695303513, now seen corresponding path program 5 times [2020-10-27 04:08:25,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:08:25,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080248541] [2020-10-27 04:08:25,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:08:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 04:08:25,714 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 04:08:25,714 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 04:08:25,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:08:25,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:08:25 BoogieIcfgContainer [2020-10-27 04:08:25,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 04:08:25,762 INFO L168 Benchmark]: Toolchain (without parser) took 230559.63 ms. Allocated memory was 161.5 MB in the beginning and 842.0 MB in the end (delta: 680.5 MB). Free memory was 136.6 MB in the beginning and 677.1 MB in the end (delta: -540.5 MB). Peak memory consumption was 141.0 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:25,762 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 133.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 04:08:25,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.60 ms. Allocated memory is still 161.5 MB. Free memory was 136.1 MB in the beginning and 126.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:25,763 INFO L168 Benchmark]: Boogie Preprocessor took 35.45 ms. Allocated memory is still 161.5 MB. Free memory was 126.7 MB in the beginning and 125.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:25,764 INFO L168 Benchmark]: RCFGBuilder took 485.77 ms. Allocated memory is still 161.5 MB. Free memory was 125.3 MB in the beginning and 111.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:25,765 INFO L168 Benchmark]: TraceAbstraction took 229758.41 ms. Allocated memory was 161.5 MB in the beginning and 842.0 MB in the end (delta: 680.5 MB). Free memory was 110.7 MB in the beginning and 677.1 MB in the end (delta: -566.4 MB). Peak memory consumption was 114.8 MB. Max. memory is 8.0 GB. [2020-10-27 04:08:25,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 133.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 266.60 ms. Allocated memory is still 161.5 MB. Free memory was 136.1 MB in the beginning and 126.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.45 ms. Allocated memory is still 161.5 MB. Free memory was 126.7 MB in the beginning and 125.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 485.77 ms. Allocated memory is still 161.5 MB. Free memory was 125.3 MB in the beginning and 111.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 229758.41 ms. Allocated memory was 161.5 MB in the beginning and 842.0 MB in the end (delta: 680.5 MB). Free memory was 110.7 MB in the beginning and 677.1 MB in the end (delta: -566.4 MB). Peak memory consumption was 114.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L38] int x = 6; [L39] CALL, EXPR fibo1(x) [L10] COND FALSE !(n < 1) [L12] COND FALSE !(n == 1) [L15] CALL, EXPR fibo2(n-1) [L20] COND FALSE !(n < 1) [L22] COND FALSE !(n == 1) [L25] CALL, EXPR fibo1(n-1) [L10] COND FALSE !(n < 1) [L12] COND FALSE !(n == 1) [L15] CALL, EXPR fibo2(n-1) [L20] COND FALSE !(n < 1) [L22] COND FALSE !(n == 1) [L25] CALL, EXPR fibo1(n-1) [L10] COND FALSE !(n < 1) [L12] COND FALSE !(n == 1) [L15] CALL, EXPR fibo2(n-1) [L20] COND FALSE !(n < 1) [L22] COND TRUE n == 1 [L23] return 1; [L15] RET, EXPR fibo2(n-1) [L15] CALL, EXPR fibo2(n-2) [L20] COND TRUE n < 1 [L21] return 0; [L15] RET, EXPR fibo2(n-2) [L15] return fibo2(n-1) + fibo2(n-2); [L25] RET, EXPR fibo1(n-1) [L25] CALL, EXPR fibo1(n-2) [L10] COND FALSE !(n < 1) [L12] COND TRUE n == 1 [L13] return 1; [L25] RET, EXPR fibo1(n-2) [L25] return fibo1(n-1) + fibo1(n-2); [L15] RET, EXPR fibo2(n-1) [L15] CALL, EXPR fibo2(n-2) [L20] COND FALSE !(n < 1) [L22] COND FALSE !(n == 1) [L25] CALL, EXPR fibo1(n-1) [L10] COND FALSE !(n < 1) [L12] COND TRUE n == 1 [L13] return 1; [L25] RET, EXPR fibo1(n-1) [L25] CALL, EXPR fibo1(n-2) [L10] COND TRUE n < 1 [L11] return 0; [L25] RET, EXPR fibo1(n-2) [L25] return fibo1(n-1) + fibo1(n-2); [L15] RET, EXPR fibo2(n-2) [L15] return fibo2(n-1) + fibo2(n-2); [L25] RET, EXPR fibo1(n-1) [L25] CALL, EXPR fibo1(n-2) [L10] COND FALSE !(n < 1) [L12] COND FALSE !(n == 1) [L15] CALL, EXPR fibo2(n-1) [L20] COND FALSE !(n < 1) [L22] COND FALSE !(n == 1) [L25] CALL, EXPR fibo1(n-1) [L10] COND FALSE !(n < 1) [L12] COND TRUE n == 1 [L13] return 1; [L25] RET, EXPR fibo1(n-1) [L25] CALL, EXPR fibo1(n-2) [L10] COND TRUE n < 1 [L11] return 0; [L25] RET, EXPR fibo1(n-2) [L25] return fibo1(n-1) + fibo1(n-2); [L15] RET, EXPR fibo2(n-1) [L15] CALL, EXPR fibo2(n-2) [L20] COND FALSE !(n < 1) [L22] COND TRUE n == 1 [L23] return 1; [L15] RET, EXPR fibo2(n-2) [L15] return fibo2(n-1) + fibo2(n-2); [L25] RET, EXPR fibo1(n-2) [L25] return fibo1(n-1) + fibo1(n-2); [L15] RET, EXPR fibo2(n-1) [L15] CALL, EXPR fibo2(n-2) [L20] COND FALSE !(n < 1) [L22] COND FALSE !(n == 1) [L25] CALL, EXPR fibo1(n-1) [L10] COND FALSE !(n < 1) [L12] COND FALSE !(n == 1) [L15] CALL, EXPR fibo2(n-1) [L20] COND FALSE !(n < 1) [L22] COND FALSE !(n == 1) [L25] CALL, EXPR fibo1(n-1) [L10] COND FALSE !(n < 1) [L12] COND TRUE n == 1 [L13] return 1; [L25] RET, EXPR fibo1(n-1) [L25] CALL, EXPR fibo1(n-2) [L10] COND TRUE n < 1 [L11] return 0; [L25] RET, EXPR fibo1(n-2) [L25] return fibo1(n-1) + fibo1(n-2); [L15] RET, EXPR fibo2(n-1) [L15] CALL, EXPR fibo2(n-2) [L20] COND FALSE !(n < 1) [L22] COND TRUE n == 1 [L23] return 1; [L15] RET, EXPR fibo2(n-2) [L15] return fibo2(n-1) + fibo2(n-2); [L25] RET, EXPR fibo1(n-1) [L25] CALL, EXPR fibo1(n-2) [L10] COND FALSE !(n < 1) [L12] COND FALSE !(n == 1) [L15] CALL, EXPR fibo2(n-1) [L20] COND FALSE !(n < 1) [L22] COND TRUE n == 1 [L23] return 1; [L15] RET, EXPR fibo2(n-1) [L15] CALL, EXPR fibo2(n-2) [L20] COND TRUE n < 1 [L21] return 0; [L15] RET, EXPR fibo2(n-2) [L15] return fibo2(n-1) + fibo2(n-2); [L25] RET, EXPR fibo1(n-2) [L25] return fibo1(n-1) + fibo1(n-2); [L15] RET, EXPR fibo2(n-2) [L15] return fibo2(n-1) + fibo2(n-2); [L39] RET, EXPR fibo1(x) [L39] int result = fibo1(x); [L40] COND TRUE result == 8 [L41] CALL reach_error() [L4] __assert_fail("0", "fibo_2calls_6-2.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 229.6s, OverallIterations: 14, TraceHistogramMax: 25, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 419 SDtfs, 1041 SDslu, 1184 SDs, 0 SdLazy, 5677 SolverSat, 1009 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 418 SyntacticMatches, 3 SemanticMatches, 349 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 136 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 213.5s InterpolantComputationTime, 1588 NumberOfCodeBlocks, 1588 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1396 ConstructedInterpolants, 0 QuantifiedInterpolants, 578526 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 4328/6319 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 incorrect!