/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/token_ring.14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:49:16,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:49:16,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:49:16,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:49:16,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:49:16,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:49:16,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:49:16,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:49:16,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:49:16,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:49:16,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:49:16,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:49:16,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:49:16,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:49:16,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:49:16,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:49:16,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:49:16,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:49:16,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:49:16,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:49:16,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:49:16,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:49:16,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:49:16,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:49:16,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:49:16,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:49:16,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:49:16,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:49:16,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:49:16,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:49:16,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:49:16,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:49:16,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:49:16,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:49:16,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:49:16,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:49:16,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:49:16,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:49:16,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:49:16,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:49:16,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:49:16,161 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 15:49:16,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:49:16,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:49:16,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:49:16,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:49:16,185 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:49:16,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:49:16,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:49:16,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:49:16,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:49:16,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:49:16,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:49:16,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:49:16,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:49:16,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:49:16,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:49:16,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:49:16,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:49:16,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:49:16,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:49:16,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:49:16,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:49:16,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:49:16,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:49:16,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:49:16,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:49:16,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:49:16,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:49:16,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:49:16,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:49:16,189 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 15:49:16,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:49:16,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:49:16,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:49:16,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:49:16,535 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:49:16,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.14.cil.c [2020-10-13 15:49:16,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2291bc96b/70618929aa5c4c3798ffac72c6ad6acc/FLAG7ccf9ca49 [2020-10-13 15:49:17,095 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:49:17,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.14.cil.c [2020-10-13 15:49:17,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2291bc96b/70618929aa5c4c3798ffac72c6ad6acc/FLAG7ccf9ca49 [2020-10-13 15:49:17,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2291bc96b/70618929aa5c4c3798ffac72c6ad6acc [2020-10-13 15:49:17,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:49:17,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:49:17,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:49:17,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:49:17,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:49:17,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:49:17" (1/1) ... [2020-10-13 15:49:17,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e0f281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:17, skipping insertion in model container [2020-10-13 15:49:17,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:49:17" (1/1) ... [2020-10-13 15:49:17,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:49:17,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:49:18,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:49:18,011 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:49:18,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:49:18,148 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:49:18,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18 WrapperNode [2020-10-13 15:49:18,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:49:18,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:49:18,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:49:18,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:49:18,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (1/1) ... [2020-10-13 15:49:18,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:49:18,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:49:18,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:49:18,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:49:18,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (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 15:49:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:49:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:49:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:49:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:49:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:49:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:49:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:49:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:49:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:49:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:49:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:49:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:49:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:49:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-13 15:49:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-13 15:49:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-13 15:49:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:49:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:49:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:49:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:49:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:49:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:49:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:49:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:49:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:49:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:49:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-13 15:49:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-13 15:49:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-13 15:49:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:49:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:49:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:49:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:49:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:49:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:49:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:49:18,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:49:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:49:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:49:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:49:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:49:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:49:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:49:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:49:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:49:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:49:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:49:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:49:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:49:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-13 15:49:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-13 15:49:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-13 15:49:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:49:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:49:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:49:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:49:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:49:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:49:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:49:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:49:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:49:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:49:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:49:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:49:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-13 15:49:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-13 15:49:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-13 15:49:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:49:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:49:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:49:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:49:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:49:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:49:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:49:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:49:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:49:18,335 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:49:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:49:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:49:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:49:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:49:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:49:19,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:49:19,573 INFO L295 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-13 15:49:19,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:49:19 BoogieIcfgContainer [2020-10-13 15:49:19,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:49:19,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:49:19,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:49:19,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:49:19,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:49:17" (1/3) ... [2020-10-13 15:49:19,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1742761a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:49:19, skipping insertion in model container [2020-10-13 15:49:19,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:49:18" (2/3) ... [2020-10-13 15:49:19,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1742761a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:49:19, skipping insertion in model container [2020-10-13 15:49:19,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:49:19" (3/3) ... [2020-10-13 15:49:19,596 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.14.cil.c [2020-10-13 15:49:19,606 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:49:19,618 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:49:19,633 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:49:19,670 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:49:19,671 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:49:19,671 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:49:19,671 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:49:19,671 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:49:19,672 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:49:19,672 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:49:19,672 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:49:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2020-10-13 15:49:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:49:19,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:19,749 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] [2020-10-13 15:49:19,750 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:19,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1216430982, now seen corresponding path program 1 times [2020-10-13 15:49:19,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:19,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676457592] [2020-10-13 15:49:19,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:20,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:49:25,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:49:25,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-13 15:49:25,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 15:49:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:25,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:49:25,597 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:49:25,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:25,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 15:49:25,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:25,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:25,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:49:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:25,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:49:25,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:49:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:49:30,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:49:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:49:30,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 15:49:30,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:30,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 15:49:30,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:30,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:30,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-13 15:49:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:30,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:30,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:30,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:30,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:30,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:30,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:49:31,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:31,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:49:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:31,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:31,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:31,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:31,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:31,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:31,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:31,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:31,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:31,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:31,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:31,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:49:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:31,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:31,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:49:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:31,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:49:31,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 15:49:31,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:49:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:31,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:31,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:31,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:31,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:31,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:31,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:31,283 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 15:49:31,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676457592] [2020-10-13 15:49:31,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:31,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:31,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605689440] [2020-10-13 15:49:31,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:31,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:31,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:31,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:31,323 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 10 states. [2020-10-13 15:49:31,537 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:49:31,745 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:49:34,211 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:34,492 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-13 15:49:34,647 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 15:49:34,904 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:35,057 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-13 15:49:35,321 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:49:41,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:41,352 INFO L93 Difference]: Finished difference Result 1246 states and 2066 transitions. [2020-10-13 15:49:41,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:49:41,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:49:41,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:41,382 INFO L225 Difference]: With dead ends: 1246 [2020-10-13 15:49:41,382 INFO L226 Difference]: Without dead ends: 786 [2020-10-13 15:49:41,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:41,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-13 15:49:41,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 475. [2020-10-13 15:49:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-13 15:49:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 696 transitions. [2020-10-13 15:49:41,559 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 696 transitions. Word has length 232 [2020-10-13 15:49:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:41,560 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 696 transitions. [2020-10-13 15:49:41,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 696 transitions. [2020-10-13 15:49:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:49:41,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:41,565 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] [2020-10-13 15:49:41,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:49:41,566 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:41,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:41,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1293331780, now seen corresponding path program 1 times [2020-10-13 15:49:41,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:41,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733985002] [2020-10-13 15:49:41,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:41,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:41,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:41,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:41,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:42,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:46,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:49:46,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:49:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 15:49:46,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 15:49:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:46,882 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:49:46,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:46,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:49:46,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:46,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:46,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:46,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:46,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:47,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:49:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:47,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:47,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:47,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:47,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:47,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:47,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:49:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 15:49:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:52,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:52,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:52,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:52,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:52,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:52,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:52,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:52,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:52,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:52,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:49:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:52,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:49:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:49:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:49:52,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:49:52,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:49:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:52,441 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 15:49:52,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733985002] [2020-10-13 15:49:52,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:52,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:52,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226717504] [2020-10-13 15:49:52,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:52,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:52,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:52,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:52,449 INFO L87 Difference]: Start difference. First operand 475 states and 696 transitions. Second operand 10 states. [2020-10-13 15:49:55,118 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:55,496 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-13 15:49:55,703 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 15:49:55,987 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:49:56,342 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:50:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:02,399 INFO L93 Difference]: Finished difference Result 1251 states and 1961 transitions. [2020-10-13 15:50:02,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:02,400 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:50:02,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:02,409 INFO L225 Difference]: With dead ends: 1251 [2020-10-13 15:50:02,410 INFO L226 Difference]: Without dead ends: 807 [2020-10-13 15:50:02,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:50:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-10-13 15:50:02,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 480. [2020-10-13 15:50:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-10-13 15:50:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 701 transitions. [2020-10-13 15:50:02,499 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 701 transitions. Word has length 232 [2020-10-13 15:50:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:02,500 INFO L479 AbstractCegarLoop]: Abstraction has 480 states and 701 transitions. [2020-10-13 15:50:02,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 701 transitions. [2020-10-13 15:50:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:02,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:02,504 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] [2020-10-13 15:50:02,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:50:02,504 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:02,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:02,505 INFO L82 PathProgramCache]: Analyzing trace with hash -679833598, now seen corresponding path program 1 times [2020-10-13 15:50:02,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:02,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816202622] [2020-10-13 15:50:02,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:02,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:07,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-13 15:50:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-13 15:50:07,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 15:50:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,806 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:07,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:07,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:07,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:07,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:07,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:50:07,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:08,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:08,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:09,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:13,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:50:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 15:50:13,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 15:50:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:13,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:13,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:13,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:13,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:13,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:13,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:13,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:13,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:13,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:13,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:13,321 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 15:50:13,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816202622] [2020-10-13 15:50:13,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:13,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:13,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469737870] [2020-10-13 15:50:13,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:13,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:13,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:13,326 INFO L87 Difference]: Start difference. First operand 480 states and 701 transitions. Second operand 10 states. [2020-10-13 15:50:13,515 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:50:16,090 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:50:16,348 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-13 15:50:16,717 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:50:17,096 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-13 15:50:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:22,841 INFO L93 Difference]: Finished difference Result 1243 states and 1941 transitions. [2020-10-13 15:50:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:22,842 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:50:22,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:22,850 INFO L225 Difference]: With dead ends: 1243 [2020-10-13 15:50:22,850 INFO L226 Difference]: Without dead ends: 794 [2020-10-13 15:50:22,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:50:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-13 15:50:22,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 485. [2020-10-13 15:50:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-13 15:50:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 706 transitions. [2020-10-13 15:50:22,945 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 706 transitions. Word has length 232 [2020-10-13 15:50:22,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:22,946 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 706 transitions. [2020-10-13 15:50:22,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 706 transitions. [2020-10-13 15:50:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:22,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:22,950 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] [2020-10-13 15:50:22,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:50:22,950 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:22,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:22,951 INFO L82 PathProgramCache]: Analyzing trace with hash 196185408, now seen corresponding path program 1 times [2020-10-13 15:50:22,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:22,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812047223] [2020-10-13 15:50:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:23,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:27,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:28,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:28,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:50:28,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-13 15:50:28,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 15:50:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:28,332 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:28,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:28,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:28,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:28,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:50:28,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:28,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:28,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:28,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:28,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:28,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:28,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:28,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:28,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:28,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:28,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:28,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:28,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:28,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:28,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:28,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:28,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:28,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:30,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:50:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1431 [2020-10-13 15:50:30,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 15:50:30,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:30,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:30,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:50:30,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:30,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-13 15:50:30,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,271 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 15:50:30,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812047223] [2020-10-13 15:50:30,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:30,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:30,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620748067] [2020-10-13 15:50:30,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:30,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:30,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:30,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:30,275 INFO L87 Difference]: Start difference. First operand 485 states and 706 transitions. Second operand 10 states. [2020-10-13 15:50:32,033 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:50:32,293 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-13 15:50:32,547 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:50:32,922 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:50:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:39,937 INFO L93 Difference]: Finished difference Result 1288 states and 2008 transitions. [2020-10-13 15:50:39,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:39,937 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:50:39,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:39,953 INFO L225 Difference]: With dead ends: 1288 [2020-10-13 15:50:39,953 INFO L226 Difference]: Without dead ends: 834 [2020-10-13 15:50:39,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:50:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-13 15:50:40,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 490. [2020-10-13 15:50:40,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-13 15:50:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 711 transitions. [2020-10-13 15:50:40,039 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 711 transitions. Word has length 232 [2020-10-13 15:50:40,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:40,040 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 711 transitions. [2020-10-13 15:50:40,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 711 transitions. [2020-10-13 15:50:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:40,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:40,044 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] [2020-10-13 15:50:40,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:50:40,045 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:40,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:40,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1595139010, now seen corresponding path program 1 times [2020-10-13 15:50:40,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:40,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875079371] [2020-10-13 15:50:40,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:40,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:42,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:50:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-13 15:50:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 15:50:45,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 15:50:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,346 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:50:45,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:45,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:45,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:45,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:50:45,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:45,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:50:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:45,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:50:45,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:50:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:50:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:45,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:50:45,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:50:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:50:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:45,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:50:45,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:50:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:50:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:45,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:45,926 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 15:50:45,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875079371] [2020-10-13 15:50:45,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:45,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:50:45,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500367480] [2020-10-13 15:50:45,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:50:45,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:45,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:50:45,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:50:45,928 INFO L87 Difference]: Start difference. First operand 490 states and 711 transitions. Second operand 10 states. [2020-10-13 15:50:46,078 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-13 15:50:47,572 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:50:47,834 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-13 15:50:48,215 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:50:48,590 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:50:56,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:56,720 INFO L93 Difference]: Finished difference Result 1305 states and 2029 transitions. [2020-10-13 15:50:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:50:56,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:50:56,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:56,730 INFO L225 Difference]: With dead ends: 1305 [2020-10-13 15:50:56,731 INFO L226 Difference]: Without dead ends: 846 [2020-10-13 15:50:56,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:50:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-10-13 15:50:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 495. [2020-10-13 15:50:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-13 15:50:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 716 transitions. [2020-10-13 15:50:56,911 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 716 transitions. Word has length 232 [2020-10-13 15:50:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:56,912 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 716 transitions. [2020-10-13 15:50:56,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:50:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 716 transitions. [2020-10-13 15:50:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:50:56,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:56,921 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] [2020-10-13 15:50:56,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:50:56,921 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1933426560, now seen corresponding path program 1 times [2020-10-13 15:50:56,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:56,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82846798] [2020-10-13 15:50:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:57,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:57,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:01,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:51:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 15:51:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:51:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,241 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:02,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:51:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:02,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:02,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:02,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:02,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:02,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:02,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:02,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 15:51:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:51:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:02,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:02,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:51:02,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:02,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:51:02,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:02,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:02,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:02,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:02,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:02,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:02,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:02,654 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 15:51:02,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82846798] [2020-10-13 15:51:02,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:02,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:51:02,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403758036] [2020-10-13 15:51:02,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:51:02,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:02,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:51:02,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:51:02,657 INFO L87 Difference]: Start difference. First operand 495 states and 716 transitions. Second operand 10 states. [2020-10-13 15:51:04,594 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-13 15:51:04,853 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-13 15:51:05,103 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:51:05,481 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-13 15:51:12,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:12,080 INFO L93 Difference]: Finished difference Result 1306 states and 2024 transitions. [2020-10-13 15:51:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:51:12,080 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 232 [2020-10-13 15:51:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:12,087 INFO L225 Difference]: With dead ends: 1306 [2020-10-13 15:51:12,087 INFO L226 Difference]: Without dead ends: 842 [2020-10-13 15:51:12,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:51:12,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-10-13 15:51:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 500. [2020-10-13 15:51:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-13 15:51:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 721 transitions. [2020-10-13 15:51:12,183 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 721 transitions. Word has length 232 [2020-10-13 15:51:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:12,183 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 721 transitions. [2020-10-13 15:51:12,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:51:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 721 transitions. [2020-10-13 15:51:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:12,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:12,185 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] [2020-10-13 15:51:12,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:51:12,186 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:12,186 INFO L82 PathProgramCache]: Analyzing trace with hash 211423874, now seen corresponding path program 1 times [2020-10-13 15:51:12,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:12,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065446884] [2020-10-13 15:51:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:12,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:12,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:15,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:17,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:51:17,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:51:17,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,476 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:17,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:17,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:17,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:17,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:17,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:51:17,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 15:51:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 15:51:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:17,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:17,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:51:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:17,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 15:51:17,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:17,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:17,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:17,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:17,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:17,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:17,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:17,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:17,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:17,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:17,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:17,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:17,903 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 15:51:17,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065446884] [2020-10-13 15:51:17,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:17,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:51:17,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473964201] [2020-10-13 15:51:17,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:51:17,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:17,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:51:17,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:51:17,905 INFO L87 Difference]: Start difference. First operand 500 states and 721 transitions. Second operand 8 states. [2020-10-13 15:51:18,158 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:51:18,515 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:24,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:24,936 INFO L93 Difference]: Finished difference Result 1298 states and 1959 transitions. [2020-10-13 15:51:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:51:24,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-13 15:51:24,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:24,943 INFO L225 Difference]: With dead ends: 1298 [2020-10-13 15:51:24,943 INFO L226 Difference]: Without dead ends: 813 [2020-10-13 15:51:24,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-10-13 15:51:25,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 500. [2020-10-13 15:51:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-13 15:51:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 720 transitions. [2020-10-13 15:51:25,027 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 720 transitions. Word has length 232 [2020-10-13 15:51:25,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:25,028 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 720 transitions. [2020-10-13 15:51:25,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:51:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 720 transitions. [2020-10-13 15:51:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:25,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:25,031 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] [2020-10-13 15:51:25,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:51:25,031 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:25,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:25,031 INFO L82 PathProgramCache]: Analyzing trace with hash 268289220, now seen corresponding path program 1 times [2020-10-13 15:51:25,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:25,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594887579] [2020-10-13 15:51:25,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:26,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:27,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:27,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-13 15:51:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 15:51:30,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:51:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 15:51:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,349 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:51:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:30,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:30,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:30,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:30,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:30,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:30,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:30,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 15:51:30,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 15:51:30,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:30,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:51:30,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:30,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:30,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:30,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:30,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:30,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:30,697 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 15:51:30,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594887579] [2020-10-13 15:51:30,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:30,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:51:30,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552178397] [2020-10-13 15:51:30,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:51:30,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:30,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:51:30,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:51:30,699 INFO L87 Difference]: Start difference. First operand 500 states and 720 transitions. Second operand 8 states. [2020-10-13 15:51:30,947 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 15:51:31,350 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:37,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:37,822 INFO L93 Difference]: Finished difference Result 1290 states and 1942 transitions. [2020-10-13 15:51:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:51:37,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-13 15:51:37,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:37,827 INFO L225 Difference]: With dead ends: 1290 [2020-10-13 15:51:37,827 INFO L226 Difference]: Without dead ends: 813 [2020-10-13 15:51:37,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:37,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-10-13 15:51:37,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 500. [2020-10-13 15:51:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-13 15:51:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 719 transitions. [2020-10-13 15:51:37,917 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 719 transitions. Word has length 232 [2020-10-13 15:51:37,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:37,917 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 719 transitions. [2020-10-13 15:51:37,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:51:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 719 transitions. [2020-10-13 15:51:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:37,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:37,920 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] [2020-10-13 15:51:37,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:51:37,920 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:37,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1141954822, now seen corresponding path program 1 times [2020-10-13 15:51:37,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:37,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845735411] [2020-10-13 15:51:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:39,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:40,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:41,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:42,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:51:42,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 15:51:42,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 15:51:42,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:51:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,222 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:51:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:43,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:43,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:51:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:43,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:51:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:51:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:51:43,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:51:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:51:43,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:51:43,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:51:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:43,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:43,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 15:51:43,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:43,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:43,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:51:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:43,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:51:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:43,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:51:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:51:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:51:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:43,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:43,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:43,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:43,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:43,573 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 15:51:43,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845735411] [2020-10-13 15:51:43,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:43,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:51:43,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777223146] [2020-10-13 15:51:43,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:51:43,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:43,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:51:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:51:43,575 INFO L87 Difference]: Start difference. First operand 500 states and 719 transitions. Second operand 8 states. [2020-10-13 15:51:43,841 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:51:43,962 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:44,144 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:51:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:54,978 INFO L93 Difference]: Finished difference Result 2037 states and 3089 transitions. [2020-10-13 15:51:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:51:54,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-13 15:51:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:54,990 INFO L225 Difference]: With dead ends: 2037 [2020-10-13 15:51:54,990 INFO L226 Difference]: Without dead ends: 1567 [2020-10-13 15:51:54,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-13 15:51:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2020-10-13 15:51:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 984. [2020-10-13 15:51:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 15:51:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1431 transitions. [2020-10-13 15:51:55,241 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1431 transitions. Word has length 232 [2020-10-13 15:51:55,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:55,241 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1431 transitions. [2020-10-13 15:51:55,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:51:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1431 transitions. [2020-10-13 15:51:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:51:55,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:55,246 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] [2020-10-13 15:51:55,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:51:55,246 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:55,247 INFO L82 PathProgramCache]: Analyzing trace with hash 874491650, now seen corresponding path program 1 times [2020-10-13 15:51:55,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:55,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796013388] [2020-10-13 15:51:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:55,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:57,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:58,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:52:00,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-13 15:52:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 15:52:00,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:52:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,567 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:52:00,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:00,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:52:00,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:52:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:00,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 15:52:00,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:52:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:00,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:52:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:00,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:52:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:00,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:00,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:52:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:00,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:00,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:00,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:00,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:00,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:00,937 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 15:52:00,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796013388] [2020-10-13 15:52:00,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:00,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:00,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934469114] [2020-10-13 15:52:00,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:00,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:00,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:00,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:00,940 INFO L87 Difference]: Start difference. First operand 984 states and 1431 transitions. Second operand 9 states. [2020-10-13 15:52:01,213 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:52:01,336 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:01,506 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:08,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:08,314 INFO L93 Difference]: Finished difference Result 2486 states and 3742 transitions. [2020-10-13 15:52:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:08,315 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:52:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:08,323 INFO L225 Difference]: With dead ends: 2486 [2020-10-13 15:52:08,323 INFO L226 Difference]: Without dead ends: 1532 [2020-10-13 15:52:08,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:08,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2020-10-13 15:52:08,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 984. [2020-10-13 15:52:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 15:52:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1424 transitions. [2020-10-13 15:52:08,533 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1424 transitions. Word has length 232 [2020-10-13 15:52:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:08,534 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1424 transitions. [2020-10-13 15:52:08,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1424 transitions. [2020-10-13 15:52:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:52:08,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:08,537 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] [2020-10-13 15:52:08,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:52:08,538 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:08,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:08,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1142958470, now seen corresponding path program 1 times [2020-10-13 15:52:08,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:08,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708731313] [2020-10-13 15:52:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:08,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:08,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:10,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:11,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:52:13,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:52:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:52:13,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:52:13,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:13,838 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:52:13,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:13,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:52:13,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:13,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:13,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:13,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:13,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:52:13,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:52:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:52:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:52:14,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:52:14,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 15:52:14,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:52:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:52:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:14,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:52:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:52:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:52:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:14,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:14,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:14,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:14,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:14,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:14,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:14,279 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 15:52:14,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708731313] [2020-10-13 15:52:14,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:14,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:14,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874360869] [2020-10-13 15:52:14,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:14,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:14,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:14,282 INFO L87 Difference]: Start difference. First operand 984 states and 1424 transitions. Second operand 9 states. [2020-10-13 15:52:14,554 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:52:14,677 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:21,637 INFO L93 Difference]: Finished difference Result 2483 states and 3721 transitions. [2020-10-13 15:52:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:21,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:52:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:21,644 INFO L225 Difference]: With dead ends: 2483 [2020-10-13 15:52:21,644 INFO L226 Difference]: Without dead ends: 1529 [2020-10-13 15:52:21,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-10-13 15:52:21,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 984. [2020-10-13 15:52:21,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 15:52:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1417 transitions. [2020-10-13 15:52:21,881 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1417 transitions. Word has length 232 [2020-10-13 15:52:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:21,881 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1417 transitions. [2020-10-13 15:52:21,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1417 transitions. [2020-10-13 15:52:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:52:21,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:21,883 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] [2020-10-13 15:52:21,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:52:21,885 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:21,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:21,885 INFO L82 PathProgramCache]: Analyzing trace with hash -787543356, now seen corresponding path program 1 times [2020-10-13 15:52:21,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:21,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370626497] [2020-10-13 15:52:21,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:21,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:22,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:24,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:24,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:26,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:26,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:52:26,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:52:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 15:52:26,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:52:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,197 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:52:27,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:27,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:27,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:52:27,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:27,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:27,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:52:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:27,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:52:27,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:27,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:52:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:52:27,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:52:27,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:52:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:27,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:52:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:52:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:27,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:27,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:27,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:52:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:27,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:27,575 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 15:52:27,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370626497] [2020-10-13 15:52:27,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:27,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:27,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53100162] [2020-10-13 15:52:27,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:27,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:27,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:27,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:27,600 INFO L87 Difference]: Start difference. First operand 984 states and 1417 transitions. Second operand 9 states. [2020-10-13 15:52:27,858 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:52:27,985 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:28,161 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:33,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:33,711 INFO L93 Difference]: Finished difference Result 2480 states and 3700 transitions. [2020-10-13 15:52:33,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:33,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:52:33,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:33,720 INFO L225 Difference]: With dead ends: 2480 [2020-10-13 15:52:33,720 INFO L226 Difference]: Without dead ends: 1526 [2020-10-13 15:52:33,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:33,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2020-10-13 15:52:33,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 984. [2020-10-13 15:52:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 15:52:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1410 transitions. [2020-10-13 15:52:33,905 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1410 transitions. Word has length 232 [2020-10-13 15:52:33,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:33,905 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1410 transitions. [2020-10-13 15:52:33,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1410 transitions. [2020-10-13 15:52:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:52:33,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:33,908 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] [2020-10-13 15:52:33,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:52:33,908 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:33,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:33,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1429493320, now seen corresponding path program 1 times [2020-10-13 15:52:33,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:33,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895906969] [2020-10-13 15:52:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:33,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:34,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:35,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:37,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:38,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 15:52:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,206 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:52:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:39,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:52:39,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:39,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:39,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:39,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:39,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:39,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:39,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:52:39,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:39,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:39,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:52:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:39,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 15:52:39,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:52:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:52:39,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:52:39,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:52:39,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:39,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:52:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:39,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:52:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:52:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:52:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:39,572 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 15:52:39,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895906969] [2020-10-13 15:52:39,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:39,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:39,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864289900] [2020-10-13 15:52:39,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:39,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:39,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:39,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:39,575 INFO L87 Difference]: Start difference. First operand 984 states and 1410 transitions. Second operand 9 states. [2020-10-13 15:52:39,836 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:52:46,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:52:46,781 INFO L93 Difference]: Finished difference Result 2477 states and 3679 transitions. [2020-10-13 15:52:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:52:46,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2020-10-13 15:52:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:52:46,788 INFO L225 Difference]: With dead ends: 2477 [2020-10-13 15:52:46,788 INFO L226 Difference]: Without dead ends: 1523 [2020-10-13 15:52:46,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:52:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2020-10-13 15:52:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 984. [2020-10-13 15:52:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-13 15:52:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1403 transitions. [2020-10-13 15:52:47,065 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1403 transitions. Word has length 232 [2020-10-13 15:52:47,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:52:47,065 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1403 transitions. [2020-10-13 15:52:47,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:52:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1403 transitions. [2020-10-13 15:52:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 15:52:47,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:52:47,068 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] [2020-10-13 15:52:47,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:52:47,069 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:52:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:52:47,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1362463300, now seen corresponding path program 1 times [2020-10-13 15:52:47,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:52:47,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098328189] [2020-10-13 15:52:47,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:52:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:47,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:48,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 15:52:52,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-13 15:52:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 15:52:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:52:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:52:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:52:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,386 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 15:52:52,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:52:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:52:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:52:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:52:52,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:52:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:52:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:52:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 15:52:52,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:52:52,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:52:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 15:52:52,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 15:52:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:52:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 15:52:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 15:52:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 15:52:52,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:52:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:52:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:52:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:52:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:52:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:52:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:52:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:52,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:52:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:52:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:52:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:52:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 15:52:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 15:52:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:52:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:52:52,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:52:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 15:52:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 15:52:52,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:52:52,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:52:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 15:52:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:52:52,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:52:52,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:52:52,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:52:52,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:52:52,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:52:52,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:52:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:52:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:52:52,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:52:52,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:52:52,748 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 15:52:52,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098328189] [2020-10-13 15:52:52,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:52:52,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:52:52,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441818252] [2020-10-13 15:52:52,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:52:52,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:52:52,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:52:52,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:52:52,750 INFO L87 Difference]: Start difference. First operand 984 states and 1403 transitions. Second operand 9 states. [2020-10-13 15:52:53,016 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-13 15:52:53,140 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-13 15:52:53,312 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120