/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=NARROWEST --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 -i ../../../trunk/examples/svcomp/systemc/transmitter.12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:53:20,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:53:20,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:53:20,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:53:20,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:53:20,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:53:20,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:53:20,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:53:20,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:53:20,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:53:20,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:53:20,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:53:20,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:53:20,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:53:20,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:53:20,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:53:20,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:53:20,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:53:20,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:53:20,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:53:20,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:53:20,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:53:20,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:53:20,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:53:20,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:53:20,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:53:20,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:53:20,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:53:20,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:53:20,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:53:20,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:53:20,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:53:20,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:53:20,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:53:20,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:53:20,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:53:20,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:53:20,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:53:20,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:53:20,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:53:20,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:53:20,240 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 [2020-10-13 15:53:20,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:53:20,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:53:20,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:53:20,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:53:20,264 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:53:20,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:53:20,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:53:20,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:53:20,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:53:20,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:53:20,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:53:20,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:53:20,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:53:20,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:53:20,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:53:20,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:53:20,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:53:20,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:53:20,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:53:20,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:53:20,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:53:20,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:53:20,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:53:20,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:53:20,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:53:20,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:53:20,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:53:20,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:53:20,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:53:20,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:53:20,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:53:20,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:53:20,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:53:20,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:53:20,593 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:53:20,594 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.12.cil.c [2020-10-13 15:53:20,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85f663a9c/0ffb048a538f4f03aae9583eeb243e67/FLAG04e7eaf5e [2020-10-13 15:53:21,199 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:53:21,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.12.cil.c [2020-10-13 15:53:21,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85f663a9c/0ffb048a538f4f03aae9583eeb243e67/FLAG04e7eaf5e [2020-10-13 15:53:21,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85f663a9c/0ffb048a538f4f03aae9583eeb243e67 [2020-10-13 15:53:21,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:53:21,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:53:21,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:53:21,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:53:21,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:53:21,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:53:21" (1/1) ... [2020-10-13 15:53:21,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb5ca15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:21, skipping insertion in model container [2020-10-13 15:53:21,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:53:21" (1/1) ... [2020-10-13 15:53:21,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:53:21,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:53:21,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:53:21,917 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:53:22,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:53:22,150 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:53:22,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22 WrapperNode [2020-10-13 15:53:22,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:53:22,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:53:22,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:53:22,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:53:22,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (1/1) ... [2020-10-13 15:53:22,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:53:22,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:53:22,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:53:22,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:53:22,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (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 [2020-10-13 15:53:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:53:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-13 15:53:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:53:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:53:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:53:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:53:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:53:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-13 15:53:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-13 15:53:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:53:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:53:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:53:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:53:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:53:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:53:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:53:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:53:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:53:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:53:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:53:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:53:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:53:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:53:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:53:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:53:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:53:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:53:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:53:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:53:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:53:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:53:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-13 15:53:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-13 15:53:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-13 15:53:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:53:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:53:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:53:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:53:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:53:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:53:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:53:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:53:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:53:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:53:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:53:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-13 15:53:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-13 15:53:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-13 15:53:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:53:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:53:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:53:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:53:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:53:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:53:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:53:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:53:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:53:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:53:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:53:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:53:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:53:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:53:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:53:23,450 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:53:23,450 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-13 15:53:23,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:53:23 BoogieIcfgContainer [2020-10-13 15:53:23,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:53:23,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:53:23,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:53:23,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:53:23,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:53:21" (1/3) ... [2020-10-13 15:53:23,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f2125f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:53:23, skipping insertion in model container [2020-10-13 15:53:23,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:53:22" (2/3) ... [2020-10-13 15:53:23,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f2125f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:53:23, skipping insertion in model container [2020-10-13 15:53:23,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:53:23" (3/3) ... [2020-10-13 15:53:23,468 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.12.cil.c [2020-10-13 15:53:23,479 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:53:23,487 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:53:23,501 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:53:23,529 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:53:23,530 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:53:23,530 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:53:23,530 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:53:23,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:53:23,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:53:23,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:53:23,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:53:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states. [2020-10-13 15:53:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:53:23,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:23,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:23,588 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:23,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:23,595 INFO L82 PathProgramCache]: Analyzing trace with hash 801551935, now seen corresponding path program 1 times [2020-10-13 15:53:23,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:23,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352595212] [2020-10-13 15:53:23,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:24,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:24,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:24,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:24,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:24,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:25,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:25,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:29,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:29,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:53:29,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:53:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-13 15:53:29,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 15:53:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:29,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:53:29,532 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:53:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:29,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:29,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:29,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:29,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 15:53:29,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:29,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:29,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:29,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:29,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:29,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:29,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:29,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:29,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:29,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:29,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:29,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:29,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:29,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:53:29,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:29,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:29,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:29,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:29,957 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-13 15:53:29,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:53:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:29,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:29,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:29,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:53:29,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:29,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:53:29,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:29,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:30,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:53:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:30,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:30,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:31,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:53:35,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:53:35,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:53:35,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 15:53:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:35,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:35,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:53:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:35,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:53:35,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:35,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:35,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:35,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:53:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:53:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:35,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:53:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:35,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:53:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:53:35,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:53:35,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:53:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:53:35,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:53:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:35,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:35,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:35,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:35,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352595212] [2020-10-13 15:53:35,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:35,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:35,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863561804] [2020-10-13 15:53:35,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:35,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:35,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:35,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:35,520 INFO L87 Difference]: Start difference. First operand 469 states. Second operand 10 states. [2020-10-13 15:53:35,788 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 15:53:36,024 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 15:53:37,709 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:53:37,989 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:53:38,240 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:53:38,381 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-13 15:53:38,636 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:53:38,761 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-13 15:53:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:53:45,828 INFO L93 Difference]: Finished difference Result 1243 states and 2058 transitions. [2020-10-13 15:53:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:53:45,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:53:45,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:53:45,875 INFO L225 Difference]: With dead ends: 1243 [2020-10-13 15:53:45,875 INFO L226 Difference]: Without dead ends: 793 [2020-10-13 15:53:45,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:53:45,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-10-13 15:53:46,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 465. [2020-10-13 15:53:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-13 15:53:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 678 transitions. [2020-10-13 15:53:46,072 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 678 transitions. Word has length 240 [2020-10-13 15:53:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:53:46,073 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 678 transitions. [2020-10-13 15:53:46,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:53:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 678 transitions. [2020-10-13 15:53:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:53:46,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:53:46,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:53:46,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:53:46,081 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:53:46,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:53:46,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1139839485, now seen corresponding path program 1 times [2020-10-13 15:53:46,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:53:46,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849002569] [2020-10-13 15:53:46,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:53:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:46,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:46,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:46,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:46,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:50,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:51,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:53:51,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:53:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 15:53:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 15:53:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:51,413 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:53:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:53:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:51,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:51,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:53:51,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:53:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:51,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:53:51,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:51,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:51,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:51,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:51,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:51,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:53:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:51,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:51,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:53:51,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:51,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:53:51,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:51,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:51,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:53:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:51,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:53:51,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:51,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:53:51,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:51,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:51,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:53:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:51,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:53:51,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:53:51,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:51,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:53:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:51,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:51,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:53:56,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:53:56,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:53:56,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:53:56,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:53:56,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:53:56,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:53:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:53:56,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:53:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:53:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:53:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:53:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:53:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:53:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:53:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:53:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:53:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:53:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:53:56,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:53:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:53:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:53:56,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:53:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:53:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:53:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:53:56,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:53:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:53:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:53:56,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:53:56,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:53:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:53:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:53:56,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:53:56,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:53:56,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:53:56,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:53:56,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:53:56,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:53:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:53:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:53:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:53:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:53:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:53:56,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849002569] [2020-10-13 15:53:56,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:53:56,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:53:56,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321191727] [2020-10-13 15:53:56,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:53:56,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:53:56,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:53:56,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:53:56,890 INFO L87 Difference]: Start difference. First operand 465 states and 678 transitions. Second operand 10 states. [2020-10-13 15:53:58,605 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:53:58,859 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:53:59,232 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:53:59,596 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:04,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:04,853 INFO L93 Difference]: Finished difference Result 1231 states and 1921 transitions. [2020-10-13 15:54:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:54:04,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:54:04,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:04,862 INFO L225 Difference]: With dead ends: 1231 [2020-10-13 15:54:04,863 INFO L226 Difference]: Without dead ends: 797 [2020-10-13 15:54:04,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:54:04,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-10-13 15:54:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 470. [2020-10-13 15:54:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-13 15:54:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 683 transitions. [2020-10-13 15:54:04,955 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 683 transitions. Word has length 240 [2020-10-13 15:54:04,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:04,955 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 683 transitions. [2020-10-13 15:54:04,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:54:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 683 transitions. [2020-10-13 15:54:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:54:04,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:04,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:04,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:54:04,960 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:04,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:04,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1756174209, now seen corresponding path program 1 times [2020-10-13 15:54:04,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:04,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729206883] [2020-10-13 15:54:04,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:05,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:05,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:54:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 15:54:10,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 15:54:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:10,292 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:54:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:10,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:10,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:54:10,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:10,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:10,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:10,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:10,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:10,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:54:10,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:10,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:10,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:10,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:10,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:10,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:10,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:54:10,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:10,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:10,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:10,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:54:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:10,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:10,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:54:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:54:10,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:10,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:10,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:54:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:10,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:11,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:54:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:54:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:54:15,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 15:54:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:54:15,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:15,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:15,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:54:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:54:15,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:15,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:54:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:15,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:54:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:15,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:15,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:54:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:54:15,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:54:15,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:54:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:15,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:54:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:15,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:15,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:15,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:15,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729206883] [2020-10-13 15:54:15,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:15,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:54:15,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438347669] [2020-10-13 15:54:15,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:54:15,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:15,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:54:15,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:54:15,866 INFO L87 Difference]: Start difference. First operand 470 states and 683 transitions. Second operand 10 states. [2020-10-13 15:54:18,272 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:18,505 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:54:18,851 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:19,196 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:54:24,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:24,835 INFO L93 Difference]: Finished difference Result 1225 states and 1904 transitions. [2020-10-13 15:54:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:54:24,836 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:54:24,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:24,846 INFO L225 Difference]: With dead ends: 1225 [2020-10-13 15:54:24,846 INFO L226 Difference]: Without dead ends: 786 [2020-10-13 15:54:24,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:54:24,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-13 15:54:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 475. [2020-10-13 15:54:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-13 15:54:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 688 transitions. [2020-10-13 15:54:24,932 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 688 transitions. Word has length 240 [2020-10-13 15:54:24,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:24,933 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 688 transitions. [2020-10-13 15:54:24,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:54:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 688 transitions. [2020-10-13 15:54:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:54:24,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:24,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:24,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:54:24,938 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:24,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1480955009, now seen corresponding path program 1 times [2020-10-13 15:54:24,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:24,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591586399] [2020-10-13 15:54:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:29,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:54:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 15:54:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 15:54:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-13 15:54:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,221 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:54:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:54:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:30,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:30,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:54:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:30,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:54:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:30,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:30,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:54:35,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:54:35,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 15:54:35,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:35,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 15:54:35,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:35,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:35,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:35,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:35,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:35,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:54:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:35,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:54:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:35,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:54:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:35,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:35,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:35,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:54:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:54:35,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:54:35,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:54:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:54:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:35,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:35,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:35,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:35,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:35,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:35,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:35,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591586399] [2020-10-13 15:54:35,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:35,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:54:35,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795508573] [2020-10-13 15:54:35,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:54:35,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:35,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:54:35,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:54:35,565 INFO L87 Difference]: Start difference. First operand 475 states and 688 transitions. Second operand 10 states. [2020-10-13 15:54:37,357 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:37,605 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:54:37,853 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:38,228 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:44,461 INFO L93 Difference]: Finished difference Result 1254 states and 1945 transitions. [2020-10-13 15:54:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:54:44,462 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:54:44,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:44,470 INFO L225 Difference]: With dead ends: 1254 [2020-10-13 15:54:44,470 INFO L226 Difference]: Without dead ends: 810 [2020-10-13 15:54:44,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:54:44,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-10-13 15:54:44,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 480. [2020-10-13 15:54:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-10-13 15:54:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 693 transitions. [2020-10-13 15:54:44,542 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 693 transitions. Word has length 240 [2020-10-13 15:54:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:44,543 INFO L479 AbstractCegarLoop]: Abstraction has 480 states and 693 transitions. [2020-10-13 15:54:44,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:54:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 693 transitions. [2020-10-13 15:54:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:54:44,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:44,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:44,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:54:44,546 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1051296703, now seen corresponding path program 1 times [2020-10-13 15:54:44,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:44,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769089327] [2020-10-13 15:54:44,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:44,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:47,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:47,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:47,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:54:49,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:54:49,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 15:54:49,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-13 15:54:49,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:49,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,827 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:54:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:49,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:49,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:49,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:49,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:49,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:49,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:49,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:49,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:49,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:49,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:54:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:54:49,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:49,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:49,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:54:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:50,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:54:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:54:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2561 [2020-10-13 15:54:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:54:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:52,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:52,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:54:52,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:52,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:52,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:54:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:54:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:52,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:52,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:54:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:52,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:54:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:52,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:54:52,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:54:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:52,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:54:52,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769089327] [2020-10-13 15:54:52,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:52,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:54:52,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977813134] [2020-10-13 15:54:52,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:54:52,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:52,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:54:52,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:54:52,794 INFO L87 Difference]: Start difference. First operand 480 states and 693 transitions. Second operand 10 states. [2020-10-13 15:54:54,723 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:54:54,958 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:54:55,340 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:54:55,494 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 15:54:55,734 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-13 15:55:02,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:02,732 INFO L93 Difference]: Finished difference Result 1263 states and 1953 transitions. [2020-10-13 15:55:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:02,732 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:55:02,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:02,742 INFO L225 Difference]: With dead ends: 1263 [2020-10-13 15:55:02,743 INFO L226 Difference]: Without dead ends: 814 [2020-10-13 15:55:02,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:02,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-10-13 15:55:02,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 485. [2020-10-13 15:55:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-13 15:55:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 698 transitions. [2020-10-13 15:55:02,892 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 698 transitions. Word has length 240 [2020-10-13 15:55:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:02,894 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 698 transitions. [2020-10-13 15:55:02,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 698 transitions. [2020-10-13 15:55:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:55:02,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:02,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:02,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:55:02,902 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:02,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:02,903 INFO L82 PathProgramCache]: Analyzing trace with hash -670705983, now seen corresponding path program 1 times [2020-10-13 15:55:02,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:02,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785241999] [2020-10-13 15:55:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:03,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:03,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:03,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:03,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:04,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:05,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:08,217 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:55:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:08,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:08,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:08,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:08,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:08,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:08,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:08,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:08,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:08,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:08,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:08,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:08,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:08,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:08,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:08,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:08,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:08,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:08,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:08,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:08,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:55:08,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:08,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:08,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:08,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:08,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:08,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:08,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:55:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:08,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:08,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:08,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:55:08,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:08,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:55:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:08,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:55:09,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:55:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1149 [2020-10-13 15:55:09,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:55:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:09,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:09,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:55:09,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:09,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:09,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:55:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:55:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:09,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785241999] [2020-10-13 15:55:09,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:09,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:09,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738847150] [2020-10-13 15:55:09,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:09,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:09,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:09,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:09,749 INFO L87 Difference]: Start difference. First operand 485 states and 698 transitions. Second operand 10 states. [2020-10-13 15:55:12,095 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:55:12,350 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:55:12,726 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:55:13,102 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:55:18,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:18,449 INFO L93 Difference]: Finished difference Result 1266 states and 1951 transitions. [2020-10-13 15:55:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:18,450 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:55:18,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:18,456 INFO L225 Difference]: With dead ends: 1266 [2020-10-13 15:55:18,456 INFO L226 Difference]: Without dead ends: 812 [2020-10-13 15:55:18,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:18,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-10-13 15:55:18,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 490. [2020-10-13 15:55:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-13 15:55:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 703 transitions. [2020-10-13 15:55:18,549 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 703 transitions. Word has length 240 [2020-10-13 15:55:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:18,549 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 703 transitions. [2020-10-13 15:55:18,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 703 transitions. [2020-10-13 15:55:18,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:55:18,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:18,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:18,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:55:18,553 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:18,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:18,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1206357247, now seen corresponding path program 1 times [2020-10-13 15:55:18,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:18,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316336467] [2020-10-13 15:55:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:18,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:18,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:18,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:18,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:18,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:19,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:20,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:22,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:23,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:23,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:55:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-13 15:55:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 15:55:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 15:55:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:23,853 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:55:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:23,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:23,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:23,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:55:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:23,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:23,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:23,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:23,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:23,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:23,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:23,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:23,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:23,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:23,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:55:23,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:23,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:55:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:55:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:24,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:24,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:24,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:24,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:24,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:55:24,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:24,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:55:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:24,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:55:24,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:55:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:55:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:24,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:24,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:24,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:24,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:24,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:24,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316336467] [2020-10-13 15:55:24,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:24,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:24,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579553880] [2020-10-13 15:55:24,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:24,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:24,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:24,437 INFO L87 Difference]: Start difference. First operand 490 states and 703 transitions. Second operand 10 states. [2020-10-13 15:55:26,009 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:55:26,252 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-13 15:55:26,490 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:55:26,859 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:55:33,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:33,584 INFO L93 Difference]: Finished difference Result 1309 states and 2014 transitions. [2020-10-13 15:55:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:33,584 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:55:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:33,590 INFO L225 Difference]: With dead ends: 1309 [2020-10-13 15:55:33,591 INFO L226 Difference]: Without dead ends: 850 [2020-10-13 15:55:33,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:33,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-13 15:55:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 495. [2020-10-13 15:55:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-13 15:55:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 708 transitions. [2020-10-13 15:55:33,677 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 708 transitions. Word has length 240 [2020-10-13 15:55:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:33,678 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 708 transitions. [2020-10-13 15:55:33,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 708 transitions. [2020-10-13 15:55:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:55:33,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:33,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:33,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:55:33,680 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:33,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:33,681 INFO L82 PathProgramCache]: Analyzing trace with hash -198834431, now seen corresponding path program 1 times [2020-10-13 15:55:33,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:33,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140600783] [2020-10-13 15:55:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:33,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:35,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:38,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:38,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:55:38,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:55:38,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-13 15:55:38,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:38,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:38,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:55:38,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 15:55:38,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:38,963 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:55:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:38,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:38,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:38,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:38,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:38,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:38,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:55:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:39,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:55:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:55:39,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:55:39,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:55:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:55:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 15:55:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:55:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:39,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:55:39,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:55:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:55:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:55:39,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:39,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:55:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:39,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:55:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:55:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:39,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:39,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:39,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:39,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:39,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:39,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140600783] [2020-10-13 15:55:39,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:39,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:55:39,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85429821] [2020-10-13 15:55:39,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:55:39,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:39,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:55:39,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:55:39,345 INFO L87 Difference]: Start difference. First operand 495 states and 708 transitions. Second operand 8 states. [2020-10-13 15:55:39,572 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:55:39,909 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 15:55:46,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:46,337 INFO L93 Difference]: Finished difference Result 1283 states and 1922 transitions. [2020-10-13 15:55:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:55:46,338 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-10-13 15:55:46,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:46,343 INFO L225 Difference]: With dead ends: 1283 [2020-10-13 15:55:46,344 INFO L226 Difference]: Without dead ends: 806 [2020-10-13 15:55:46,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:55:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-10-13 15:55:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 495. [2020-10-13 15:55:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-13 15:55:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 707 transitions. [2020-10-13 15:55:46,437 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 707 transitions. Word has length 240 [2020-10-13 15:55:46,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:46,437 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 707 transitions. [2020-10-13 15:55:46,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:55:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 707 transitions. [2020-10-13 15:55:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:55:46,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:46,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:46,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:55:46,440 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:46,441 INFO L82 PathProgramCache]: Analyzing trace with hash -975081985, now seen corresponding path program 1 times [2020-10-13 15:55:46,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:46,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106155880] [2020-10-13 15:55:46,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:46,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:55:51,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:55:51,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 15:55:51,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-13 15:55:51,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:51,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,717 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:55:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:51,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:55:51,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:51,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:51,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:55:51,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:55:51,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:55:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:51,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:51,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:55:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:51,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:51,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:51,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:51,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:55:51,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:55:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:55:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:55:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:55:52,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106155880] [2020-10-13 15:55:52,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:52,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:52,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095868994] [2020-10-13 15:55:52,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:52,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:52,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:52,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:52,110 INFO L87 Difference]: Start difference. First operand 495 states and 707 transitions. Second operand 10 states. [2020-10-13 15:55:54,675 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:55:54,924 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 15:55:55,169 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:55:55,552 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:56:00,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:00,911 INFO L93 Difference]: Finished difference Result 1279 states and 1958 transitions. [2020-10-13 15:56:00,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:56:00,914 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:56:00,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:00,918 INFO L225 Difference]: With dead ends: 1279 [2020-10-13 15:56:00,918 INFO L226 Difference]: Without dead ends: 815 [2020-10-13 15:56:00,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:56:00,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-10-13 15:56:01,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 500. [2020-10-13 15:56:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-13 15:56:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 712 transitions. [2020-10-13 15:56:01,008 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 712 transitions. Word has length 240 [2020-10-13 15:56:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:01,009 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 712 transitions. [2020-10-13 15:56:01,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 712 transitions. [2020-10-13 15:56:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:56:01,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:01,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:01,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:56:01,012 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:01,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1392478591, now seen corresponding path program 1 times [2020-10-13 15:56:01,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:01,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444240089] [2020-10-13 15:56:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:01,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:01,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:03,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:03,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:03,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:03,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:06,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:56:06,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 15:56:06,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,293 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:56:06,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:06,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:06,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:56:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:06,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:56:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:56:06,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:06,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 15:56:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:56:06,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:56:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:06,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:06,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:56:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:56:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:06,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:56:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:56:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:06,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:06,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:06,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:06,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:56:06,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444240089] [2020-10-13 15:56:06,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:06,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:56:06,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849840872] [2020-10-13 15:56:06,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:56:06,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:06,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:56:06,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:56:06,602 INFO L87 Difference]: Start difference. First operand 500 states and 712 transitions. Second operand 8 states. [2020-10-13 15:56:06,843 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:56:06,968 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:56:07,240 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 15:56:12,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:12,724 INFO L93 Difference]: Finished difference Result 1287 states and 1918 transitions. [2020-10-13 15:56:12,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:56:12,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-10-13 15:56:12,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:12,730 INFO L225 Difference]: With dead ends: 1287 [2020-10-13 15:56:12,730 INFO L226 Difference]: Without dead ends: 813 [2020-10-13 15:56:12,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:56:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-10-13 15:56:12,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 500. [2020-10-13 15:56:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-13 15:56:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 711 transitions. [2020-10-13 15:56:12,823 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 711 transitions. Word has length 240 [2020-10-13 15:56:12,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:12,823 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 711 transitions. [2020-10-13 15:56:12,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:56:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 711 transitions. [2020-10-13 15:56:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:56:12,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:12,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:12,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:56:12,827 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:12,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:12,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1638286465, now seen corresponding path program 1 times [2020-10-13 15:56:12,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:12,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796191449] [2020-10-13 15:56:12,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:13,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:17,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:56:17,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,094 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:56:18,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:56:18,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:18,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:18,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:56:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:18,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:56:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:56:18,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:56:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:56:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:56:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 15:56:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:56:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:56:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:18,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:18,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:56:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:56:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:18,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:18,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:18,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:18,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:18,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:56:18,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796191449] [2020-10-13 15:56:18,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:18,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:56:18,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156082397] [2020-10-13 15:56:18,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:56:18,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:18,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:56:18,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:56:18,476 INFO L87 Difference]: Start difference. First operand 500 states and 711 transitions. Second operand 9 states. [2020-10-13 15:56:18,722 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 15:56:24,274 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:56:29,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:29,073 INFO L93 Difference]: Finished difference Result 2011 states and 3056 transitions. [2020-10-13 15:56:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:56:29,077 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 240 [2020-10-13 15:56:29,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:29,088 INFO L225 Difference]: With dead ends: 2011 [2020-10-13 15:56:29,089 INFO L226 Difference]: Without dead ends: 1541 [2020-10-13 15:56:29,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:56:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2020-10-13 15:56:29,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 984. [2020-10-13 15:56:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 15:56:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1412 transitions. [2020-10-13 15:56:29,311 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1412 transitions. Word has length 240 [2020-10-13 15:56:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:29,311 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1412 transitions. [2020-10-13 15:56:29,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:56:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1412 transitions. [2020-10-13 15:56:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:56:29,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:29,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:29,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:56:29,315 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:29,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:29,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1168126464, now seen corresponding path program 1 times [2020-10-13 15:56:29,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:29,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563463230] [2020-10-13 15:56:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:30,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:33,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:56:34,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:56:34,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 15:56:34,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:56:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 15:56:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:56:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,578 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:56:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:34,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:34,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:34,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:56:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:34,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:56:34,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:56:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:56:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:56:34,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:34,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:56:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:34,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:34,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:56:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:34,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:34,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:56:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:56:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:34,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:34,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:34,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:56:34,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563463230] [2020-10-13 15:56:34,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:34,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:56:34,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710566775] [2020-10-13 15:56:34,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:56:34,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:34,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:56:34,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:56:34,947 INFO L87 Difference]: Start difference. First operand 984 states and 1412 transitions. Second operand 10 states. [2020-10-13 15:56:36,418 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 15:56:36,653 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-13 15:56:36,889 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 15:56:37,129 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-13 15:56:37,325 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 15:56:44,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:44,354 INFO L93 Difference]: Finished difference Result 2542 states and 3861 transitions. [2020-10-13 15:56:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:56:44,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:56:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:44,362 INFO L225 Difference]: With dead ends: 2542 [2020-10-13 15:56:44,363 INFO L226 Difference]: Without dead ends: 1589 [2020-10-13 15:56:44,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:56:44,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2020-10-13 15:56:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 989. [2020-10-13 15:56:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-10-13 15:56:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1416 transitions. [2020-10-13 15:56:44,529 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1416 transitions. Word has length 240 [2020-10-13 15:56:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:44,529 INFO L479 AbstractCegarLoop]: Abstraction has 989 states and 1416 transitions. [2020-10-13 15:56:44,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1416 transitions. [2020-10-13 15:56:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:56:44,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:44,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:44,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:56:44,533 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1816719234, now seen corresponding path program 1 times [2020-10-13 15:56:44,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:44,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684691867] [2020-10-13 15:56:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:44,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:49,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:49,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:56:49,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:56:49,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 15:56:49,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:56:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:56:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:56:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:49,810 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:56:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:56:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:49,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:49,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:49,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:49,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:49,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:56:49,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:56:49,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:49,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:56:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:49,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:49,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:56:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:56:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:49,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:56:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:49,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 15:56:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:56:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:56:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:56:50,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:50,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:56:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:56:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:50,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:50,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:50,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:50,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:56:50,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684691867] [2020-10-13 15:56:50,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:50,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:56:50,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421178254] [2020-10-13 15:56:50,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:56:50,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:50,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:56:50,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:56:50,163 INFO L87 Difference]: Start difference. First operand 989 states and 1416 transitions. Second operand 10 states. [2020-10-13 15:56:50,394 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 15:56:56,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:56,203 INFO L93 Difference]: Finished difference Result 2493 states and 3703 transitions. [2020-10-13 15:56:56,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:56:56,203 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-13 15:56:56,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:56,209 INFO L225 Difference]: With dead ends: 2493 [2020-10-13 15:56:56,209 INFO L226 Difference]: Without dead ends: 1534 [2020-10-13 15:56:56,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-13 15:56:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-10-13 15:56:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 989. [2020-10-13 15:56:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-10-13 15:56:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1409 transitions. [2020-10-13 15:56:56,382 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1409 transitions. Word has length 240 [2020-10-13 15:56:56,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:56,382 INFO L479 AbstractCegarLoop]: Abstraction has 989 states and 1409 transitions. [2020-10-13 15:56:56,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1409 transitions. [2020-10-13 15:56:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 15:56:56,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:56,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:56,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:56:56,385 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:56,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:56,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1529528898, now seen corresponding path program 1 times [2020-10-13 15:56:56,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:56,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637830759] [2020-10-13 15:56:56,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:56,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:56,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:56,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:57,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:58,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:58,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 15:57:01,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:57:01,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:57:01,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:57:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:57:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:57:01,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,717 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 15:57:01,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:57:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:57:01,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:57:01,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:57:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:57:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:57:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:57:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:57:01,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:01,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:57:01,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:57:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:57:01,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:57:01,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:01,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:57:01,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:57:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:57:01,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:57:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:57:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:57:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 15:57:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 15:57:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:57:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:57:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:57:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:01,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:57:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:57:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:57:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:57:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:57:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:57:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:01,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:57:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:02,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:02,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:02,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:02,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:57:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:02,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:02,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:02,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:02,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:02,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:57:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:02,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:02,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:02,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:02,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:57:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:02,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 15:57:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:02,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:02,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:02,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 15:57:02,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:02,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:57:02,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 15:57:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 15:57:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:02,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:57:02,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637830759] [2020-10-13 15:57:02,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:57:02,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:57:02,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537998194] [2020-10-13 15:57:02,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:57:02,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:57:02,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:57:02,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:57:02,082 INFO L87 Difference]: Start difference. First operand 989 states and 1409 transitions. Second operand 10 states. [2020-10-13 15:57:02,325 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195