/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:36:36,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:36:36,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:36:36,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:36:36,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:36:36,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:36:36,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:36:37,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:36:37,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:36:37,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:36:37,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:36:37,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:36:37,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:36:37,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:36:37,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:36:37,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:36:37,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:36:37,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:36:37,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:36:37,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:36:37,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:36:37,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:36:37,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:36:37,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:36:37,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:36:37,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:36:37,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:36:37,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:36:37,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:36:37,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:36:37,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:36:37,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:36:37,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:36:37,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:36:37,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:36:37,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:36:37,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:36:37,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:36:37,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:36:37,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:36:37,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:36:37,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 22:36:37,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:36:37,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:36:37,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:36:37,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:36:37,156 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:36:37,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:36:37,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:36:37,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:36:37,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:36:37,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:36:37,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:36:37,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:36:37,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:36:37,159 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:36:37,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:36:37,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:36:37,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:36:37,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:36:37,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:36:37,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:36:37,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:36:37,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:36:37,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:36:37,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:36:37,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:36:37,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:36:37,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:36:37,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:36:37,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:36:37,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:36:37,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:36:37,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:36:37,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:36:37,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:36:37,712 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:36:37,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-27 22:36:37,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4e037fd1/c3414b9c202f4f76bbf7c0ac39972c89/FLAG432de8aac [2020-10-27 22:36:38,475 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:36:38,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-27 22:36:38,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4e037fd1/c3414b9c202f4f76bbf7c0ac39972c89/FLAG432de8aac [2020-10-27 22:36:38,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4e037fd1/c3414b9c202f4f76bbf7c0ac39972c89 [2020-10-27 22:36:38,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:36:38,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:36:38,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:36:38,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:36:38,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:36:38,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:36:38" (1/1) ... [2020-10-27 22:36:38,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac27651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:38, skipping insertion in model container [2020-10-27 22:36:38,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:36:38" (1/1) ... [2020-10-27 22:36:38,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:36:38,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:36:39,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:36:39,195 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:36:39,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:36:39,239 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:36:39,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39 WrapperNode [2020-10-27 22:36:39,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:36:39,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:36:39,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:36:39,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:36:39,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... [2020-10-27 22:36:39,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:36:39,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:36:39,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:36:39,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:36:39,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:36:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:36:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-27 22:36:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:36:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-27 22:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:36:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:36:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:36:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:36:39,659 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:36:39,659 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:36:39,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:36:39 BoogieIcfgContainer [2020-10-27 22:36:39,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:36:39,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:36:39,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:36:39,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:36:39,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:36:38" (1/3) ... [2020-10-27 22:36:39,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e1287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:36:39, skipping insertion in model container [2020-10-27 22:36:39,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:39" (2/3) ... [2020-10-27 22:36:39,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e1287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:36:39, skipping insertion in model container [2020-10-27 22:36:39,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:36:39" (3/3) ... [2020-10-27 22:36:39,672 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_7-2.c [2020-10-27 22:36:39,686 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:36:39,692 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:36:39,731 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:36:39,780 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:36:39,781 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:36:39,781 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:36:39,781 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:36:39,781 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:36:39,782 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:36:39,782 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:36:39,782 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:36:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 22:36:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:36:39,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:39,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:39,810 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:39,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:39,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1708859500, now seen corresponding path program 1 times [2020-10-27 22:36:39,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:39,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386502031] [2020-10-27 22:36:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:36:40,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-27 22:36:40,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:36:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:36:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 22:36:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:40,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:40,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:40,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:36:40,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:40,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:36:40,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:36:40,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386502031] [2020-10-27 22:36:40,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:40,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:36:40,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244284479] [2020-10-27 22:36:40,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:36:40,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:40,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:36:40,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:36:40,893 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-27 22:36:41,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:41,167 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2020-10-27 22:36:41,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:36:41,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:36:41,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:41,180 INFO L225 Difference]: With dead ends: 44 [2020-10-27 22:36:41,180 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 22:36:41,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 22:36:41,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 22:36:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:36:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 22:36:41,237 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-10-27 22:36:41,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:41,238 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 22:36:41,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:36:41,239 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 22:36:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:36:41,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:41,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:41,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:36:41,242 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:41,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:41,243 INFO L82 PathProgramCache]: Analyzing trace with hash 2119969838, now seen corresponding path program 1 times [2020-10-27 22:36:41,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:41,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656856142] [2020-10-27 22:36:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:41,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:41,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:41,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-27 22:36:41,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:41,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:41,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:36:41,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:36:41,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:41,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:41,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:41,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:41,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:41,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:41,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:41,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:41,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:41,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:41,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:41,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:36:41,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:36:41,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656856142] [2020-10-27 22:36:41,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:41,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:36:41,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894272314] [2020-10-27 22:36:41,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:36:41,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:41,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:36:41,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:36:41,702 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-10-27 22:36:41,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:41,928 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-27 22:36:41,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:36:41,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:36:41,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:41,930 INFO L225 Difference]: With dead ends: 30 [2020-10-27 22:36:41,931 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 22:36:41,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:41,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 22:36:41,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2020-10-27 22:36:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:36:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-27 22:36:41,943 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2020-10-27 22:36:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:41,943 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-27 22:36:41,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:36:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-27 22:36:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:36:41,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:41,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:41,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:36:41,946 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:41,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:41,947 INFO L82 PathProgramCache]: Analyzing trace with hash -308126725, now seen corresponding path program 1 times [2020-10-27 22:36:41,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:41,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182791484] [2020-10-27 22:36:41,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:36:44,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2669 [2020-10-27 22:36:44,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 22:36:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:36:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:44,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:44,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:44,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-27 22:36:44,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:36:44,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:44,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:44,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:36:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:44,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:44,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:44,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:44,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:44,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:36:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:36:44,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182791484] [2020-10-27 22:36:44,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:44,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:36:44,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356419359] [2020-10-27 22:36:44,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:36:44,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:44,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:36:44,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:44,973 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 9 states. [2020-10-27 22:36:45,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:45,296 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-10-27 22:36:45,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:45,297 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-27 22:36:45,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:45,299 INFO L225 Difference]: With dead ends: 41 [2020-10-27 22:36:45,299 INFO L226 Difference]: Without dead ends: 25 [2020-10-27 22:36:45,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:45,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-27 22:36:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-27 22:36:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-27 22:36:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-27 22:36:45,310 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 28 [2020-10-27 22:36:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:45,310 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-27 22:36:45,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:36:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-10-27 22:36:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:36:45,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:45,312 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:45,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:36:45,313 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:45,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1144313053, now seen corresponding path program 1 times [2020-10-27 22:36:45,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:45,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227221360] [2020-10-27 22:36:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:45,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:36:46,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1124 [2020-10-27 22:36:46,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 22:36:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:36:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:46,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:46,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:46,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:46,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:46,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:46,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 22:36:46,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:36:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:46,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:46,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:46,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:46,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:46,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:46,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:46,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 22:36:46,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227221360] [2020-10-27 22:36:46,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:46,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:36:46,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501038796] [2020-10-27 22:36:46,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:36:46,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:46,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:36:46,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:46,623 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 9 states. [2020-10-27 22:36:46,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:46,962 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2020-10-27 22:36:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:46,962 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-10-27 22:36:46,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:46,964 INFO L225 Difference]: With dead ends: 36 [2020-10-27 22:36:46,964 INFO L226 Difference]: Without dead ends: 31 [2020-10-27 22:36:46,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:36:46,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-27 22:36:46,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-10-27 22:36:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-27 22:36:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-10-27 22:36:46,975 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 29 [2020-10-27 22:36:46,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:46,975 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-10-27 22:36:46,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:36:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-10-27 22:36:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:36:46,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:46,977 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:46,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:36:46,978 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:46,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:46,978 INFO L82 PathProgramCache]: Analyzing trace with hash 977084561, now seen corresponding path program 1 times [2020-10-27 22:36:46,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:46,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060280279] [2020-10-27 22:36:46,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:48,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1855 [2020-10-27 22:36:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 22:36:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:36:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:48,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:48,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:48,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:48,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:48,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:48,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:49,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:36:49,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:49,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-27 22:36:49,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:49,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:49,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:49,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:49,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:49,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:36:49,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:36:49,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060280279] [2020-10-27 22:36:49,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:49,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:36:49,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413942135] [2020-10-27 22:36:49,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:49,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:49,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:49,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:49,204 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 10 states. [2020-10-27 22:36:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:49,645 INFO L93 Difference]: Finished difference Result 59 states and 86 transitions. [2020-10-27 22:36:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:49,646 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-10-27 22:36:49,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:49,648 INFO L225 Difference]: With dead ends: 59 [2020-10-27 22:36:49,648 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:36:49,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:36:49,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:36:49,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2020-10-27 22:36:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 22:36:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2020-10-27 22:36:49,671 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 30 [2020-10-27 22:36:49,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:49,672 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2020-10-27 22:36:49,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2020-10-27 22:36:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:36:49,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:49,680 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:49,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:36:49,681 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:49,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:49,682 INFO L82 PathProgramCache]: Analyzing trace with hash -53636892, now seen corresponding path program 2 times [2020-10-27 22:36:49,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:49,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257387515] [2020-10-27 22:36:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:49,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3305 [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 22:36:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:53,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:53,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:53,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:53,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:53,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:53,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 22:36:53,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:36:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:36:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:36:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:53,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:36:53,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:53,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:36:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:53,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:53,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:53,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:53,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:53,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:53,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:53,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:53,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:53,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:53,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:53,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:53,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:53,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 22:36:53,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257387515] [2020-10-27 22:36:53,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:53,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:36:53,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339261057] [2020-10-27 22:36:53,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:36:53,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:53,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:36:53,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:53,382 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand 13 states. [2020-10-27 22:36:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:53,874 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2020-10-27 22:36:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:36:53,874 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2020-10-27 22:36:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:53,876 INFO L225 Difference]: With dead ends: 43 [2020-10-27 22:36:53,876 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 22:36:53,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:36:53,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 22:36:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2020-10-27 22:36:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 22:36:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2020-10-27 22:36:53,887 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 43 [2020-10-27 22:36:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:53,887 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2020-10-27 22:36:53,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:36:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2020-10-27 22:36:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:36:53,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:53,890 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:53,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:36:53,901 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:53,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:53,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1305406542, now seen corresponding path program 3 times [2020-10-27 22:36:53,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:53,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043636186] [2020-10-27 22:36:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:36:58,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:36:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:36:58,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 22:36:58,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:58,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:58,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:58,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:58,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:58,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:58,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:58,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:59,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:04,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:37:04,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:04,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:04,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:04,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 22:37:04,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:04,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:04,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:37:04,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:04,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:04,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:04,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:05,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:05,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:05,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 758 [2020-10-27 22:37:05,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:05,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:05,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:05,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:05,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:05,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:05,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:05,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:05,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:05,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:37:05,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:05,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:05,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:05,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:05,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:05,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:05,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:05,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:05,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:05,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:05,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:05,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:05,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:05,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:05,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:05,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:37:05,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 66 proven. 58 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-27 22:37:05,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043636186] [2020-10-27 22:37:05,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:05,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:37:05,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295305807] [2020-10-27 22:37:05,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:37:05,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:05,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:37:05,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:37:05,288 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 14 states. [2020-10-27 22:37:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:05,891 INFO L93 Difference]: Finished difference Result 69 states and 103 transitions. [2020-10-27 22:37:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:37:05,892 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 70 [2020-10-27 22:37:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:05,893 INFO L225 Difference]: With dead ends: 69 [2020-10-27 22:37:05,894 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 22:37:05,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:37:05,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 22:37:05,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-27 22:37:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:37:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2020-10-27 22:37:05,906 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 70 [2020-10-27 22:37:05,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:05,906 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2020-10-27 22:37:05,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:37:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2020-10-27 22:37:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:37:05,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:05,909 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:05,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:37:05,909 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:05,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:05,910 INFO L82 PathProgramCache]: Analyzing trace with hash 121686187, now seen corresponding path program 4 times [2020-10-27 22:37:05,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:05,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422930746] [2020-10-27 22:37:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:05,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:37:10,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:37:10,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:37:10,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:10,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:37:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:10,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:10,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:11,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:37:11,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:11,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 983 [2020-10-27 22:37:11,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:11,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:37:11,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1228 [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:13,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:13,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:13,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:13,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:13,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:13,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:13,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:13,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:13,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:13,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-27 22:37:13,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422930746] [2020-10-27 22:37:13,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:13,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:37:13,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477943024] [2020-10-27 22:37:13,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:37:13,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:13,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:37:13,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:37:13,358 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand 9 states. [2020-10-27 22:37:13,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:13,708 INFO L93 Difference]: Finished difference Result 71 states and 86 transitions. [2020-10-27 22:37:13,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:37:13,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-27 22:37:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:13,713 INFO L225 Difference]: With dead ends: 71 [2020-10-27 22:37:13,713 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:37:13,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:37:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:37:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-27 22:37:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:37:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2020-10-27 22:37:13,734 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 57 [2020-10-27 22:37:13,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:13,735 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2020-10-27 22:37:13,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:37:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2020-10-27 22:37:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:37:13,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:13,738 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:13,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:37:13,738 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:13,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:13,739 INFO L82 PathProgramCache]: Analyzing trace with hash -756009077, now seen corresponding path program 5 times [2020-10-27 22:37:13,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:13,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189051881] [2020-10-27 22:37:13,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:13,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:14,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:18,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:18,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:18,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:18,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:18,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:18,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:19,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:37:23,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:37:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:37:23,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:37:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:25,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1798 [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:25,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:25,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:25,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:25,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:25,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 22:37:25,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:25,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:25,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:25,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:25,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:25,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:25,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:25,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:25,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:25,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:25,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:37:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:25,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:25,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:26,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:26,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-27 22:37:26,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:26,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:26,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:26,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:26,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:26,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:26,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:26,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:26,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:26,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:26,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:26,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:26,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:26,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:26,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:26,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:26,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:26,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:26,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 65 proven. 132 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-27 22:37:26,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189051881] [2020-10-27 22:37:26,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:26,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:37:26,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359427612] [2020-10-27 22:37:26,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:37:26,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:26,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:37:26,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:37:26,341 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 13 states. [2020-10-27 22:37:27,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:27,361 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2020-10-27 22:37:27,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 22:37:27,363 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2020-10-27 22:37:27,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:27,365 INFO L225 Difference]: With dead ends: 81 [2020-10-27 22:37:27,365 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 22:37:27,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2020-10-27 22:37:27,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 22:37:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2020-10-27 22:37:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-27 22:37:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2020-10-27 22:37:27,376 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 84 [2020-10-27 22:37:27,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:27,377 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2020-10-27 22:37:27,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:37:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2020-10-27 22:37:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:37:27,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:27,378 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:27,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:37:27,379 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:27,379 INFO L82 PathProgramCache]: Analyzing trace with hash -886095822, now seen corresponding path program 6 times [2020-10-27 22:37:27,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:27,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866903617] [2020-10-27 22:37:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 22:37:32,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:32,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:32,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:32,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:32,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:32,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:32,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:32,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:37,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:37,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:37,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:37,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:37,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:37,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:37,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:37,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:37,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 22:37:37,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:37,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:37,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:37,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:37,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:37,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:37,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:37,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:37,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:37,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:37,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:37,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 70 proven. 23 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-27 22:37:37,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866903617] [2020-10-27 22:37:37,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:37,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:37:37,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32945520] [2020-10-27 22:37:37,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:37:37,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:37,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:37:37,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:37:37,646 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand 9 states. [2020-10-27 22:37:37,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:37,960 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2020-10-27 22:37:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:37:37,962 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-27 22:37:37,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:37,964 INFO L225 Difference]: With dead ends: 59 [2020-10-27 22:37:37,967 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 22:37:37,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:37:37,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 22:37:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-10-27 22:37:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-27 22:37:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2020-10-27 22:37:37,987 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 70 [2020-10-27 22:37:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:37,990 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2020-10-27 22:37:37,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:37:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2020-10-27 22:37:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 22:37:37,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:37,998 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:37,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:37:37,998 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:37,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:37,999 INFO L82 PathProgramCache]: Analyzing trace with hash -73042607, now seen corresponding path program 7 times [2020-10-27 22:37:37,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:37,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685013227] [2020-10-27 22:37:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:37:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:45,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 22:37:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:48,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:53,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:37:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:37:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:37:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:37:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:53,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:53,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:53,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:53,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:53,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:53,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:37:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2935 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:56,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:57,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:57,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:57,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:57,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:57,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:57,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:57,726 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 266 proven. 319 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2020-10-27 22:37:57,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685013227] [2020-10-27 22:37:57,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:57,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:37:57,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123693330] [2020-10-27 22:37:57,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:37:57,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:57,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:37:57,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:37:57,728 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 14 states. [2020-10-27 22:37:58,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:58,622 INFO L93 Difference]: Finished difference Result 105 states and 145 transitions. [2020-10-27 22:37:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 22:37:58,627 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2020-10-27 22:37:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:58,629 INFO L225 Difference]: With dead ends: 105 [2020-10-27 22:37:58,629 INFO L226 Difference]: Without dead ends: 63 [2020-10-27 22:37:58,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-27 22:37:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-27 22:37:58,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2020-10-27 22:37:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 22:37:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2020-10-27 22:37:58,643 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 138 [2020-10-27 22:37:58,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:58,644 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2020-10-27 22:37:58,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:37:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2020-10-27 22:37:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:37:58,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:58,645 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:58,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:37:58,646 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:58,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:58,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1296121057, now seen corresponding path program 8 times [2020-10-27 22:37:58,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:58,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542564238] [2020-10-27 22:37:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:38:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:03,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:03,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:03,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:03,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:03,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:03,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:03,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:03,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:38:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:08,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:13,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:38:13,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:13,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:13,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:13,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:13,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:13,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:13,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:13,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:13,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:13,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:13,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 95 proven. 131 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-10-27 22:38:13,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542564238] [2020-10-27 22:38:13,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:13,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:38:13,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725620113] [2020-10-27 22:38:13,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:38:13,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:13,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:38:13,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:38:13,952 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand 9 states. [2020-10-27 22:38:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:14,451 INFO L93 Difference]: Finished difference Result 151 states and 192 transitions. [2020-10-27 22:38:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:38:14,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-10-27 22:38:14,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:14,455 INFO L225 Difference]: With dead ends: 151 [2020-10-27 22:38:14,455 INFO L226 Difference]: Without dead ends: 73 [2020-10-27 22:38:14,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:38:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-27 22:38:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-10-27 22:38:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-27 22:38:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2020-10-27 22:38:14,470 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 111 [2020-10-27 22:38:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:14,470 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2020-10-27 22:38:14,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:38:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-10-27 22:38:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:38:14,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:14,473 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:14,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:38:14,473 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:14,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:14,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1011218065, now seen corresponding path program 9 times [2020-10-27 22:38:14,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:14,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132820467] [2020-10-27 22:38:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:38:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:38:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:38:19,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:19,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:19,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:38:24,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:38:24,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:25,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:29,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:38:29,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:29,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:30,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:38:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:38:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:34,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1688 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:36,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:36,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:36,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:36,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:36,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:36,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:36,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:36,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:36,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:36,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:36,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:38:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:38:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:41,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:38:41,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:41,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:41,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:41,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:41,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:41,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:41,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:41,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:41,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:41,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:41,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:41,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:41,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:41,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:43,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-10-27 22:38:43,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:43,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:43,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:43,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 427 proven. 691 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2020-10-27 22:38:43,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132820467] [2020-10-27 22:38:43,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:43,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:38:43,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769097644] [2020-10-27 22:38:43,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:38:43,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:43,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:38:43,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:38:43,149 INFO L87 Difference]: Start difference. First operand 70 states and 84 transitions. Second operand 17 states. [2020-10-27 22:38:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:44,906 INFO L93 Difference]: Finished difference Result 155 states and 230 transitions. [2020-10-27 22:38:44,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:38:44,906 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 220 [2020-10-27 22:38:44,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:44,909 INFO L225 Difference]: With dead ends: 155 [2020-10-27 22:38:44,909 INFO L226 Difference]: Without dead ends: 94 [2020-10-27 22:38:44,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 61 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 22:38:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-27 22:38:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 73. [2020-10-27 22:38:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-27 22:38:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2020-10-27 22:38:44,927 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 220 [2020-10-27 22:38:44,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:44,928 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2020-10-27 22:38:44,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:38:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2020-10-27 22:38:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:38:44,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:44,930 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:44,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:38:44,931 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:44,931 INFO L82 PathProgramCache]: Analyzing trace with hash -732775580, now seen corresponding path program 10 times [2020-10-27 22:38:44,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:44,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555337031] [2020-10-27 22:38:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:44,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:38:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:38:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:38:49,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:38:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 22:38:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:50,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:50,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:38:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:38:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:38:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:38:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:00,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:39:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:05,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:39:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:39:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:39:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:05,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:05,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:05,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:39:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:39:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:39:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:39:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:39:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:05,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:39:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:05,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:05,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:05,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:05,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:05,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:05,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:05,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:05,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:05,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 131 proven. 425 refuted. 0 times theorem prover too weak. 1098 trivial. 0 not checked. [2020-10-27 22:39:05,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555337031] [2020-10-27 22:39:05,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:05,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:39:05,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465759484] [2020-10-27 22:39:05,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:39:05,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:05,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:39:05,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:39:05,631 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand 11 states. [2020-10-27 22:39:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:06,171 INFO L93 Difference]: Finished difference Result 86 states and 110 transitions. [2020-10-27 22:39:06,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:39:06,172 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-10-27 22:39:06,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:06,175 INFO L225 Difference]: With dead ends: 86 [2020-10-27 22:39:06,175 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 22:39:06,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:39:06,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 22:39:06,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 73. [2020-10-27 22:39:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-27 22:39:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2020-10-27 22:39:06,190 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 179 [2020-10-27 22:39:06,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:06,191 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2020-10-27 22:39:06,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:39:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2020-10-27 22:39:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-27 22:39:06,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:06,196 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:06,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:39:06,196 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:06,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1616639890, now seen corresponding path program 11 times [2020-10-27 22:39:06,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:06,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368211564] [2020-10-27 22:39:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:39:06,237 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:39:06,237 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:39:06,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:39:06,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:39:06 BoogieIcfgContainer [2020-10-27 22:39:06,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:39:06,280 INFO L168 Benchmark]: Toolchain (without parser) took 147409.89 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 130.7 MB in the beginning and 598.1 MB in the end (delta: -467.4 MB). Peak memory consumption was 54.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:39:06,280 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:39:06,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.56 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 121.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:39:06,282 INFO L168 Benchmark]: Boogie Preprocessor took 44.05 ms. Allocated memory is still 155.2 MB. Free memory was 121.1 MB in the beginning and 119.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:39:06,282 INFO L168 Benchmark]: RCFGBuilder took 373.35 ms. Allocated memory is still 155.2 MB. Free memory was 119.7 MB in the beginning and 106.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-27 22:39:06,283 INFO L168 Benchmark]: TraceAbstraction took 146613.50 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 106.4 MB in the beginning and 598.1 MB in the end (delta: -491.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:39:06,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 360.56 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 121.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.05 ms. Allocated memory is still 155.2 MB. Free memory was 121.1 MB in the beginning and 119.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 373.35 ms. Allocated memory is still 155.2 MB. Free memory was 119.7 MB in the beginning and 106.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 146613.50 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 106.4 MB in the beginning and 598.1 MB in the end (delta: -491.7 MB). Peak memory consumption was 29.9 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: [L26] int x = 7; [L27] CALL, EXPR fibo(x) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L27] RET, EXPR fibo(x) [L27] int result = fibo(x); [L28] COND TRUE result == 13 [L29] CALL reach_error() [L4] __assert_fail("0", "fibo_7-2.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 146.4s, OverallIterations: 15, TraceHistogramMax: 41, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 651 SDslu, 447 SDs, 0 SdLazy, 2225 SolverSat, 621 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 561 GetRequests, 319 SyntacticMatches, 7 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 52 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 137.3s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1076 ConstructedInterpolants, 0 QuantifiedInterpolants, 312779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 4794/6612 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! Received shutdown request...