/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.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:54:17,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:54:17,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:54:17,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:54:17,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:54:17,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:54:17,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:54:17,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:54:17,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:54:17,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:54:17,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:54:17,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:54:17,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:54:17,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:54:17,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:54:17,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:54:17,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:54:17,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:54:17,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:54:17,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:54:17,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:54:17,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:54:17,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:54:17,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:54:17,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:54:17,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:54:17,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:54:17,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:54:17,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:54:17,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:54:17,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:54:17,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:54:17,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:54:17,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:54:17,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:54:17,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:54:17,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:54:17,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:54:17,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:54:17,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:54:17,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:54:17,299 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 15:54:17,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:54:17,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:54:17,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:54:17,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:54:17,323 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:54:17,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:54:17,324 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:54:17,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:54:17,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:54:17,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:54:17,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:54:17,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:54:17,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:54:17,325 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:54:17,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:54:17,326 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:54:17,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:54:17,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:54:17,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:54:17,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:54:17,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:54:17,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:54:17,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:54:17,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:54:17,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:54:17,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:54:17,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:54:17,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:54:17,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:54:17,329 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 15:54:17,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:54:17,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:54:17,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:54:17,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:54:17,689 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:54:17,690 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-10-13 15:54:17,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2036f523e/14c4ece8d0c3432f937e9b6af0259b14/FLAG5e9c7ea36 [2020-10-13 15:54:18,264 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:54:18,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-10-13 15:54:18,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2036f523e/14c4ece8d0c3432f937e9b6af0259b14/FLAG5e9c7ea36 [2020-10-13 15:54:18,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2036f523e/14c4ece8d0c3432f937e9b6af0259b14 [2020-10-13 15:54:18,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:54:18,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:54:18,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:54:18,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:54:18,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:54:18,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:54:18" (1/1) ... [2020-10-13 15:54:18,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d407afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:18, skipping insertion in model container [2020-10-13 15:54:18,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:54:18" (1/1) ... [2020-10-13 15:54:18,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:54:18,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:54:18,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:54:18,999 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:54:19,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:54:19,270 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:54:19,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19 WrapperNode [2020-10-13 15:54:19,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:54:19,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:54:19,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:54:19,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:54:19,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (1/1) ... [2020-10-13 15:54:19,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:54:19,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:54:19,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:54:19,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:54:19,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (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 15:54:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:54:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:54:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:54:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:54:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:54:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:54:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:54:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:54:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:54:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:54:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:54:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:54:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:54:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-13 15:54:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-13 15:54:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-13 15:54:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-13 15:54:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit14 [2020-10-13 15:54:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:54:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:54:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:54:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:54:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:54:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:54:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:54:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:54:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:54:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:54:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-13 15:54:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-13 15:54:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-13 15:54:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-13 15:54:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit14_triggered [2020-10-13 15:54:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:54:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:54:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:54:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:54:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:54:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:54:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:54:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:54:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:54:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:54:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:54:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:54:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:54:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:54:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:54:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:54:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:54:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:54:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:54:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:54:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit14_triggered [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:54:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:54:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:54:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:54:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:54:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:54:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:54:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-13 15:54:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure transmit14 [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:54:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:54:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:54:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:54:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:54:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:54:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:54:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:54:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:54:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:54:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:54:20,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:54:20,743 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-13 15:54:20,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:54:20 BoogieIcfgContainer [2020-10-13 15:54:20,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:54:20,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:54:20,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:54:20,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:54:20,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:54:18" (1/3) ... [2020-10-13 15:54:20,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297c2742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:54:20, skipping insertion in model container [2020-10-13 15:54:20,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:54:19" (2/3) ... [2020-10-13 15:54:20,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297c2742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:54:20, skipping insertion in model container [2020-10-13 15:54:20,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:54:20" (3/3) ... [2020-10-13 15:54:20,763 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2020-10-13 15:54:20,773 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:54:20,786 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:54:20,798 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:54:20,825 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:54:20,826 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:54:20,826 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:54:20,826 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:54:20,826 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:54:20,826 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:54:20,827 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:54:20,827 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:54:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states. [2020-10-13 15:54:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:54:20,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:20,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:20,880 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:20,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:20,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1383974208, now seen corresponding path program 1 times [2020-10-13 15:54:20,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:20,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45465786] [2020-10-13 15:54:20,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:21,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:21,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:21,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:22,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:22,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:22,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:23,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:24,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:26,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:26,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:54:26,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:54:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 15:54:26,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-10-13 15:54:26,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:26,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:54:26,781 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:54:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:26,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:26,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:26,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:26,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:54:26,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:26,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:26,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:26,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:26,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:26,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:26,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:26,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:26,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:26,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:26,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:26,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:26,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:26,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:26,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:26,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:26,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:26,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:54:26,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:54:26,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:26,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:27,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:54:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:27,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:27,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:27,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:54:27,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:27,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:54:27,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:27,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:27,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:27,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:27,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:27,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:54:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:27,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:27,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:27,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:27,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:27,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:54:32,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:54:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:54:32,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-13 15:54:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:32,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:32,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:54:32,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:32,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:32,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:32,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:32,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:32,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:54:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:54:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:32,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:32,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:54:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:32,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:54:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:54:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:32,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:32,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:54:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:54:32,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:54:32,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:54:32,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:54:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:32,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:32,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:32,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:32,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:32,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:32,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:32,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:32,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:32,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:32,514 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 15:54:32,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45465786] [2020-10-13 15:54:32,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:32,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:54:32,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932743754] [2020-10-13 15:54:32,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:54:32,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:32,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:54:32,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:54:32,538 INFO L87 Difference]: Start difference. First operand 526 states. Second operand 10 states. [2020-10-13 15:54:32,721 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:54:32,969 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:54:35,589 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:54:35,971 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-13 15:54:36,133 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:54:36,425 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:54:36,588 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:54:36,877 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:54:44,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:54:44,170 INFO L93 Difference]: Finished difference Result 1380 states and 2294 transitions. [2020-10-13 15:54:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:54:44,172 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:54:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:54:44,201 INFO L225 Difference]: With dead ends: 1380 [2020-10-13 15:54:44,201 INFO L226 Difference]: Without dead ends: 875 [2020-10-13 15:54:44,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:54:44,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-13 15:54:44,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 522. [2020-10-13 15:54:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2020-10-13 15:54:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 766 transitions. [2020-10-13 15:54:44,413 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 766 transitions. Word has length 254 [2020-10-13 15:54:44,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:54:44,414 INFO L479 AbstractCegarLoop]: Abstraction has 522 states and 766 transitions. [2020-10-13 15:54:44,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:54:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 766 transitions. [2020-10-13 15:54:44,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:54:44,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:54:44,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:54:44,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:54:44,423 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:54:44,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:54:44,424 INFO L82 PathProgramCache]: Analyzing trace with hash 522429058, now seen corresponding path program 1 times [2020-10-13 15:54:44,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:54:44,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872438915] [2020-10-13 15:54:44,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:54:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:44,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:45,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:54:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 15:54:49,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 15:54:49,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:49,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 15:54:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:49,922 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:54:49,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:54:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:49,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:49,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:49,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:49,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:54:49,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:49,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:49,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:54:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:49,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:50,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:54:50,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:50,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:54:50,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:50,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:54:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:50,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:50,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:54:50,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:54:50,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:54:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:50,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:54:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:50,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:54:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:54:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:54:50,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:54:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:50,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:50,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:54:55,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:54:55,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 15:54:55,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:54:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 15:54:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:54:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:54:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:54:55,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:54:55,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:54:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:54:55,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:54:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:54:55,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:54:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:54:55,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:54:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:55,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:54:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:55,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:54:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:55,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:54:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:55,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:54:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:54:55,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:54:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:55,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:55,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:54:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:55,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:54:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:55,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:54:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:55,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:54:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:54:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:54:55,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:54:55,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:54:55,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:54:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:54:55,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:54:55,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:54:55,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:54:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:54:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:54:55,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:54:55,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:54:55,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:54:55,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:54:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:54:55,559 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 15:54:55,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872438915] [2020-10-13 15:54:55,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:54:55,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:54:55,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404941042] [2020-10-13 15:54:55,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:54:55,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:54:55,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:54:55,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:54:55,563 INFO L87 Difference]: Start difference. First operand 522 states and 766 transitions. Second operand 10 states. [2020-10-13 15:54:55,725 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:54:55,914 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:54:58,335 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:54:58,665 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-13 15:54:58,834 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:54:59,133 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:54:59,302 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:54:59,621 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:55:06,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:06,835 INFO L93 Difference]: Finished difference Result 1376 states and 2154 transitions. [2020-10-13 15:55:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:06,836 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:55:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:06,845 INFO L225 Difference]: With dead ends: 1376 [2020-10-13 15:55:06,845 INFO L226 Difference]: Without dead ends: 887 [2020-10-13 15:55:06,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-13 15:55:06,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 527. [2020-10-13 15:55:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-10-13 15:55:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 771 transitions. [2020-10-13 15:55:06,950 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 771 transitions. Word has length 254 [2020-10-13 15:55:06,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:06,951 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 771 transitions. [2020-10-13 15:55:06,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 771 transitions. [2020-10-13 15:55:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:55:06,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:06,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:06,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:55:06,956 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:06,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1619431420, now seen corresponding path program 1 times [2020-10-13 15:55:06,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:06,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006683151] [2020-10-13 15:55:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:07,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:07,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:12,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:55:12,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 15:55:12,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:55:12,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-13 15:55:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:12,312 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:55:12,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:12,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:55:12,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:55:12,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:12,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:12,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:12,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:12,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:12,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:12,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:55:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:12,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:12,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:12,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:12,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:12,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:55:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:55:12,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:55:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:55:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:12,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:55:12,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:55:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:55:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:55:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:12,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:16,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:55:17,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:55:17,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 15:55:17,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:17,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 15:55:17,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:17,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:17,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:17,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:17,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:17,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:17,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:17,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:55:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:55:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:55:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:17,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:17,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:55:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:55:17,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:55:17,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:55:17,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:55:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:17,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:17,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:17,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:17,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:17,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:17,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:17,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:17,889 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 15:55:17,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006683151] [2020-10-13 15:55:17,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:17,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:17,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440447350] [2020-10-13 15:55:17,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:17,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:17,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:17,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:17,893 INFO L87 Difference]: Start difference. First operand 527 states and 771 transitions. Second operand 10 states. [2020-10-13 15:55:18,036 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:55:18,225 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:55:19,970 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:55:20,272 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-13 15:55:20,608 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:55:20,760 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:55:21,073 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:55:21,204 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:55:27,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:27,482 INFO L93 Difference]: Finished difference Result 1399 states and 2185 transitions. [2020-10-13 15:55:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:27,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:55:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:27,491 INFO L225 Difference]: With dead ends: 1399 [2020-10-13 15:55:27,491 INFO L226 Difference]: Without dead ends: 905 [2020-10-13 15:55:27,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:27,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-10-13 15:55:27,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 532. [2020-10-13 15:55:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2020-10-13 15:55:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 776 transitions. [2020-10-13 15:55:27,571 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 776 transitions. Word has length 254 [2020-10-13 15:55:27,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:27,572 INFO L479 AbstractCegarLoop]: Abstraction has 532 states and 776 transitions. [2020-10-13 15:55:27,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 776 transitions. [2020-10-13 15:55:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:55:27,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:27,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:27,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:55:27,577 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:27,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:27,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1990970, now seen corresponding path program 1 times [2020-10-13 15:55:27,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:27,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367091115] [2020-10-13 15:55:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:27,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:27,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:27,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:27,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:27,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:32,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:32,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:55:32,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 15:55:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:55:32,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 15:55:32,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:32,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:32,913 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:55:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:32,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:32,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:32,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:32,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:32,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:32,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:32,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:32,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:32,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:32,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:32,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:32,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:32,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:32,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:33,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:33,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:55:33,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:33,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:33,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:55:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:33,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:55:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:55:33,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:33,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:55:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:33,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:33,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3350 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:55:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:36,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:55:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:55:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:36,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:36,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:55:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:55:36,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:55:36,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:55:36,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:55:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:36,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:36,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:36,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:36,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:36,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:36,671 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 15:55:36,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367091115] [2020-10-13 15:55:36,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:36,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:36,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318587969] [2020-10-13 15:55:36,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:36,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:36,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:36,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:36,673 INFO L87 Difference]: Start difference. First operand 532 states and 776 transitions. Second operand 10 states. [2020-10-13 15:55:36,825 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:55:37,026 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:55:39,804 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:55:40,151 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-13 15:55:40,317 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:55:40,607 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:55:40,773 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:55:41,069 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:55:46,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:55:46,792 INFO L93 Difference]: Finished difference Result 1383 states and 2152 transitions. [2020-10-13 15:55:46,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:55:46,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:55:46,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:55:46,800 INFO L225 Difference]: With dead ends: 1383 [2020-10-13 15:55:46,800 INFO L226 Difference]: Without dead ends: 884 [2020-10-13 15:55:46,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:55:46,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2020-10-13 15:55:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 537. [2020-10-13 15:55:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-13 15:55:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 781 transitions. [2020-10-13 15:55:46,890 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 781 transitions. Word has length 254 [2020-10-13 15:55:46,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:55:46,890 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 781 transitions. [2020-10-13 15:55:46,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:55:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 781 transitions. [2020-10-13 15:55:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:55:46,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:55:46,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:55:46,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:55:46,893 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:55:46,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:55:46,893 INFO L82 PathProgramCache]: Analyzing trace with hash -681263224, now seen corresponding path program 1 times [2020-10-13 15:55:46,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:55:46,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676370511] [2020-10-13 15:55:46,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:55:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:47,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:49,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:50,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:51,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:55:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 15:55:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:55:51,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-13 15:55:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,235 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:55:52,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:55:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:55:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:55:52,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:55:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:55:52,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:52,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:52,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:55:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:55:52,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:52,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:55:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:52,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:55:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:52,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1222 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:55:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:55:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:53,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:53,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:55:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:55:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:55:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:53,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:55:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:55:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:55:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:55:53,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:55:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:55:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:55:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:55:53,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:55:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:55:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:55:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:55:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:55:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:55:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:55:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:55:53,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:55:53,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:55:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:55:53,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:55:53,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:55:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:55:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:55:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:55:53,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:55:53,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:55:53,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:55:53,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:55:53,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:55:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:55:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:55:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:55:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:55:53,870 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 15:55:53,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676370511] [2020-10-13 15:55:53,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:55:53,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:55:53,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800546141] [2020-10-13 15:55:53,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:55:53,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:55:53,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:55:53,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:55:53,873 INFO L87 Difference]: Start difference. First operand 537 states and 781 transitions. Second operand 10 states. [2020-10-13 15:55:54,034 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:55:54,238 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:55:56,188 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:55:56,511 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-13 15:55:56,682 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:55:56,989 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:55:57,153 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:55:57,461 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:56:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:06,713 INFO L93 Difference]: Finished difference Result 1430 states and 2222 transitions. [2020-10-13 15:56:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:56:06,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:56:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:06,721 INFO L225 Difference]: With dead ends: 1430 [2020-10-13 15:56:06,721 INFO L226 Difference]: Without dead ends: 926 [2020-10-13 15:56:06,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:56:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-13 15:56:06,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 542. [2020-10-13 15:56:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-13 15:56:06,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 786 transitions. [2020-10-13 15:56:06,817 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 786 transitions. Word has length 254 [2020-10-13 15:56:06,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:06,817 INFO L479 AbstractCegarLoop]: Abstraction has 542 states and 786 transitions. [2020-10-13 15:56:06,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 786 transitions. [2020-10-13 15:56:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:56:06,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:06,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:06,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:56:06,820 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:06,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:06,821 INFO L82 PathProgramCache]: Analyzing trace with hash -254708726, now seen corresponding path program 1 times [2020-10-13 15:56:06,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:06,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317840711] [2020-10-13 15:56:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:06,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:07,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:07,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:07,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:08,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:11,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:11,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:56:11,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 15:56:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:56:11,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:56:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 15:56:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:56:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,142 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:56:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:12,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:56:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:12,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:12,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:56:12,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:12,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:56:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:12,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:56:12,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:56:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:56:12,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:56:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-13 15:56:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:56:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 15:56:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:56:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:12,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:56:12,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:56:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:56:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:56:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:56:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:12,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:56:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:56:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:12,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:12,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:12,787 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 15:56:12,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317840711] [2020-10-13 15:56:12,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:12,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:56:12,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207096502] [2020-10-13 15:56:12,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:56:12,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:12,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:56:12,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:56:12,789 INFO L87 Difference]: Start difference. First operand 542 states and 786 transitions. Second operand 10 states. [2020-10-13 15:56:12,936 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:56:13,131 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:56:15,193 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:56:15,494 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-13 15:56:15,788 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:56:15,960 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:56:16,254 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:56:16,390 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:56:23,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:23,566 INFO L93 Difference]: Finished difference Result 1431 states and 2217 transitions. [2020-10-13 15:56:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:56:23,567 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:56:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:23,573 INFO L225 Difference]: With dead ends: 1431 [2020-10-13 15:56:23,573 INFO L226 Difference]: Without dead ends: 922 [2020-10-13 15:56:23,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:56:23,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-10-13 15:56:23,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 547. [2020-10-13 15:56:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-13 15:56:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 791 transitions. [2020-10-13 15:56:23,686 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 791 transitions. Word has length 254 [2020-10-13 15:56:23,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:23,687 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 791 transitions. [2020-10-13 15:56:23,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 791 transitions. [2020-10-13 15:56:23,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:56:23,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:23,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:23,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:56:23,690 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:23,690 INFO L82 PathProgramCache]: Analyzing trace with hash 77934412, now seen corresponding path program 1 times [2020-10-13 15:56:23,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:23,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140024049] [2020-10-13 15:56:23,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:23,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:23,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:24,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:24,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:24,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:26,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:27,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:28,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:28,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:56:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,042 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:56:29,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:56:29,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:56:29,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:56:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:56:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:56:29,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 15:56:29,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:56:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:56:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:56:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:29,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:56:29,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:56:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:56:29,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:29,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:56:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:29,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:56:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:29,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:56:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:29,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:29,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:56:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:56:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:29,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 15:56:29,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:56:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:56:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:29,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:29,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:29,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:29,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:56:29,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:56:29,723 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 15:56:29,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140024049] [2020-10-13 15:56:29,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:29,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:56:29,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691539319] [2020-10-13 15:56:29,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:56:29,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:29,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:56:29,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:56:29,731 INFO L87 Difference]: Start difference. First operand 547 states and 791 transitions. Second operand 10 states. [2020-10-13 15:56:29,917 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:56:30,105 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:56:32,122 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:56:32,442 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-13 15:56:32,616 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:56:32,919 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:56:33,088 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 15:56:33,389 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-13 15:56:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:40,206 INFO L93 Difference]: Finished difference Result 1448 states and 2238 transitions. [2020-10-13 15:56:40,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:56:40,207 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:56:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:40,214 INFO L225 Difference]: With dead ends: 1448 [2020-10-13 15:56:40,214 INFO L226 Difference]: Without dead ends: 934 [2020-10-13 15:56:40,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:56:40,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-13 15:56:40,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 552. [2020-10-13 15:56:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-13 15:56:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 796 transitions. [2020-10-13 15:56:40,329 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 796 transitions. Word has length 254 [2020-10-13 15:56:40,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:40,329 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 796 transitions. [2020-10-13 15:56:40,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:56:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 796 transitions. [2020-10-13 15:56:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:56:40,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:40,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:40,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:56:40,332 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:40,332 INFO L82 PathProgramCache]: Analyzing trace with hash -628662194, now seen corresponding path program 1 times [2020-10-13 15:56:40,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:40,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124408661] [2020-10-13 15:56:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:40,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:40,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:40,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:40,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:40,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:40,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:41,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:41,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:41,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:43,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:44,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:56:45,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:56:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 15:56:45,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:56:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:56:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,685 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:56:45,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:56:45,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:45,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:56:45,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:56:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:56:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:45,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:56:45,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:56:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:56:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:56:45,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 15:56:45,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-13 15:56:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:45,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:56:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:45,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:45,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:45,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:45,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:45,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:45,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:45,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:45,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:45,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:56:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:56:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:56:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:56:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:46,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:46,083 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 15:56:46,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124408661] [2020-10-13 15:56:46,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:46,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:56:46,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974680975] [2020-10-13 15:56:46,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:56:46,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:46,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:56:46,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:56:46,085 INFO L87 Difference]: Start difference. First operand 552 states and 796 transitions. Second operand 8 states. [2020-10-13 15:56:46,377 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:56:46,514 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:56:46,819 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 15:56:46,985 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 15:56:53,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:56:53,880 INFO L93 Difference]: Finished difference Result 1436 states and 2167 transitions. [2020-10-13 15:56:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:56:53,880 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 254 [2020-10-13 15:56:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:56:53,887 INFO L225 Difference]: With dead ends: 1436 [2020-10-13 15:56:53,887 INFO L226 Difference]: Without dead ends: 900 [2020-10-13 15:56:53,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:56:53,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-13 15:56:53,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 552. [2020-10-13 15:56:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-13 15:56:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 795 transitions. [2020-10-13 15:56:54,001 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 795 transitions. Word has length 254 [2020-10-13 15:56:54,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:56:54,002 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 795 transitions. [2020-10-13 15:56:54,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:56:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 795 transitions. [2020-10-13 15:56:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:56:54,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:56:54,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:56:54,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:56:54,004 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:56:54,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:56:54,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1925117108, now seen corresponding path program 1 times [2020-10-13 15:56:54,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:56:54,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586271220] [2020-10-13 15:56:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:56:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:54,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:54,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:55,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:58,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:56:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-13 15:56:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 15:56:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:56:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 15:56:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,336 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:56:59,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:56:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:59,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:56:59,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:56:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:56:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:56:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:56:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:56:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 15:56:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:56:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:56:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:56:59,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 15:56:59,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-13 15:56:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:56:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:56:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:56:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:56:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:56:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:56:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:56:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:56:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:56:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:56:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:56:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:59,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:56:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:56:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:56:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:56:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:56:59,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:56:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:56:59,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:56:59,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:56:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:56:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:56:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:56:59,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:56:59,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:56:59,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:56:59,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:56:59,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:56:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:56:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:56:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:56:59,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:56:59,711 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 15:56:59,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586271220] [2020-10-13 15:56:59,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:56:59,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:56:59,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977584119] [2020-10-13 15:56:59,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:56:59,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:56:59,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:56:59,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:56:59,714 INFO L87 Difference]: Start difference. First operand 552 states and 795 transitions. Second operand 8 states. [2020-10-13 15:57:00,036 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:57:00,185 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:57:00,482 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 15:57:00,649 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 15:57:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:57:08,370 INFO L93 Difference]: Finished difference Result 1428 states and 2150 transitions. [2020-10-13 15:57:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:57:08,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 254 [2020-10-13 15:57:08,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:57:08,376 INFO L225 Difference]: With dead ends: 1428 [2020-10-13 15:57:08,376 INFO L226 Difference]: Without dead ends: 900 [2020-10-13 15:57:08,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:57:08,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-13 15:57:08,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 552. [2020-10-13 15:57:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-13 15:57:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 794 transitions. [2020-10-13 15:57:08,499 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 794 transitions. Word has length 254 [2020-10-13 15:57:08,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:57:08,499 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 794 transitions. [2020-10-13 15:57:08,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:57:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 794 transitions. [2020-10-13 15:57:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:57:08,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:57:08,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:57:08,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:57:08,502 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:57:08,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:57:08,502 INFO L82 PathProgramCache]: Analyzing trace with hash -736324534, now seen corresponding path program 1 times [2020-10-13 15:57:08,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:57:08,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793844719] [2020-10-13 15:57:08,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:57:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:08,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:08,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:08,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:08,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:11,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:57:13,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-13 15:57:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 15:57:13,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:57:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:57:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:57:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:13,898 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:57:13,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:57:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:13,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:13,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:13,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:57:13,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 15:57:13,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:13,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:57:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:57:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:57:14,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:57:14,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:57:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:57:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:57:14,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:14,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:57:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:57:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:57:14,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:57:14,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:57:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 15:57:14,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:57:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:57:14,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 15:57:14,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:57:14,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:57:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 15:57:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:57:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:57:14,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 15:57:14,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-13 15:57:14,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:57:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:57:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:57:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:57:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:57:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:57:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:57:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:57:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:57:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:14,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:57:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:57:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:57:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:57:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:57:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:57:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:14,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:57:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:57:14,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:57:14,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:57:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:57:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:57:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:14,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:14,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:14,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:57:14,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:14,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:57:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:14,472 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 15:57:14,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793844719] [2020-10-13 15:57:14,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:57:14,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:57:14,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754303528] [2020-10-13 15:57:14,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:57:14,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:57:14,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:57:14,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:57:14,474 INFO L87 Difference]: Start difference. First operand 552 states and 794 transitions. Second operand 9 states. [2020-10-13 15:57:14,802 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-13 15:57:14,958 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:57:15,167 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-13 15:57:19,410 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-13 15:57:20,703 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-13 15:57:27,854 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:57:35,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:57:35,888 INFO L93 Difference]: Finished difference Result 3031 states and 4682 transitions. [2020-10-13 15:57:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 15:57:35,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 254 [2020-10-13 15:57:35,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:57:35,905 INFO L225 Difference]: With dead ends: 3031 [2020-10-13 15:57:35,906 INFO L226 Difference]: Without dead ends: 2511 [2020-10-13 15:57:35,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2020-10-13 15:57:35,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2020-10-13 15:57:36,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 1668. [2020-10-13 15:57:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-10-13 15:57:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2411 transitions. [2020-10-13 15:57:36,427 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2411 transitions. Word has length 254 [2020-10-13 15:57:36,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:57:36,428 INFO L479 AbstractCegarLoop]: Abstraction has 1668 states and 2411 transitions. [2020-10-13 15:57:36,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:57:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2411 transitions. [2020-10-13 15:57:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:57:36,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:57:36,430 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:57:36,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:57:36,431 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:57:36,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:57:36,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1132274549, now seen corresponding path program 1 times [2020-10-13 15:57:36,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:57:36,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939057263] [2020-10-13 15:57:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:57:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:36,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:38,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:39,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:39,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:39,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:39,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:41,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:41,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:57:41,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:57:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 15:57:41,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:57:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 15:57:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:57:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:41,784 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:57:41,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:57:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:57:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:41,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:41,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:41,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:57:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:41,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:41,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:41,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:57:41,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:41,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:57:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:41,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:41,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:41,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:57:41,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:57:41,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:57:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:41,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:41,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:41,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:57:41,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:57:41,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:41,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:41,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:57:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:41,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:57:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:57:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:57:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:57:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:57:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:42,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:57:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:42,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:57:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:57:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:57:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:57:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:42,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:57:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:57:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:57:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:57:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:57:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:57:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:57:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:57:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:57:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:57:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:57:42,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:57:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:57:42,227 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 15:57:42,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939057263] [2020-10-13 15:57:42,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:57:42,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:57:42,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837904713] [2020-10-13 15:57:42,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:57:42,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:57:42,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:57:42,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:57:42,229 INFO L87 Difference]: Start difference. First operand 1668 states and 2411 transitions. Second operand 10 states. [2020-10-13 15:57:42,388 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:57:42,599 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-13 15:57:44,000 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:57:44,302 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-13 15:57:44,607 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:57:44,896 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-13 15:57:45,119 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 15:57:54,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:57:54,605 INFO L93 Difference]: Finished difference Result 4156 states and 6333 transitions. [2020-10-13 15:57:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 15:57:54,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-10-13 15:57:54,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:57:54,622 INFO L225 Difference]: With dead ends: 4156 [2020-10-13 15:57:54,623 INFO L226 Difference]: Without dead ends: 2521 [2020-10-13 15:57:54,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-13 15:57:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2020-10-13 15:57:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 1673. [2020-10-13 15:57:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2020-10-13 15:57:54,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2414 transitions. [2020-10-13 15:57:54,978 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2414 transitions. Word has length 254 [2020-10-13 15:57:54,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:57:54,979 INFO L479 AbstractCegarLoop]: Abstraction has 1673 states and 2414 transitions. [2020-10-13 15:57:54,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:57:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2414 transitions. [2020-10-13 15:57:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 15:57:54,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:57:54,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:57:54,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:57:54,984 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:57:54,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:57:54,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1948321779, now seen corresponding path program 1 times [2020-10-13 15:57:54,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:57:54,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010469560] [2020-10-13 15:57:54,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:57:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:57:55,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:55,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:57:57,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 15:58:00,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-13 15:58:00,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 15:58:00,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:58:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:58:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:58:00,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,370 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-13 15:58:00,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:58:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:58:00,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:58:00,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:58:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:58:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:58:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:58:00,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:58:00,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:58:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:58:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:58:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:58:00,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:58:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 15:58:00,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:58:00,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:58:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 15:58:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 15:58:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:58:00,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:58:00,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:58:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:58:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 15:58:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 15:58:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 15:58:00,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 15:58:00,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-13 15:58:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:58:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:58:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:58:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:58:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:58:00,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:58:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:58:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:58:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:58:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:58:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:58:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:58:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:58:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:58:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 15:58:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 15:58:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:58:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:58:00,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:58:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 15:58:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 15:58:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:58:00,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:58:00,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:58:00,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:58:00,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:58:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:58:00,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:58:00,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:58:00,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:58:00,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:58:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:58:00,867 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 15:58:00,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010469560] [2020-10-13 15:58:00,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:58:00,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:58:00,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008137602] [2020-10-13 15:58:00,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:58:00,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:58:00,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:58:00,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:58:00,869 INFO L87 Difference]: Start difference. First operand 1673 states and 2414 transitions. Second operand 10 states. [2020-10-13 15:58:01,206 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 227